In this task, you're given passages that contain mentions of names of people, places, or things. Some of these mentions refer to the same person, place, or thing. Your job is to write questions that evaluate one's understanding of such references. Good questions are expected to link pronouns (she, her, him, his, their, etc.) or other mentions to people, places, or things to which they may refer. Do not ask questions that can be answered correctly without understanding the paragraph or having multiple answers. Avoid questions that do not link phrases referring to the same entity. For each of your questions, the answer should be one or more phrases in the paragraph, and it should be unambiguous.

Passage: William Etty was born in 1787 in York, the son of a miller and baker. He showed artistic promise from an early age, but his family were financially insecure, and at the age of 12 he left school to become an apprentice printer in Hull. On completing his seven-year indenture he moved to London "with a few pieces of chalk-crayons in colours", with the aim of emulating the Old Masters and becoming a history painter. Etty gained acceptance to the Royal Academy Schools in early 1807. After a year spent studying under renowned portrait painter Thomas Lawrence, Etty returned to the Royal Academy, drawing at the life class and copying other paintings. In 1821 the Royal Academy exhibited one of Etty's works, The Arrival of Cleopatra in Cilicia (also known as The Triumph of Cleopatra). The painting was extremely well received, and many of Etty's fellow artists greatly admired him. He was elected a full Royal Academician in 1828, ahead of John Constable. He became well respected for his ability to capture flesh tones accurately in painting and for his fascination with contrasts in skin tones.
Following the exhibition of Cleopatra, Etty attempted to reproduce its success, concentrating on painting further history paintings containing nude figures. He exhibited 15 paintings at the Summer Exhibition in the 1820s (including Cleopatra), and all but one contained at least one nude figure. In so doing Etty became the first English artist to treat nude studies as a serious art form in their own right, capable of being aesthetically attractive and of delivering moral messages. Although some nudes by foreign artists were held in private English collections, Britain had no tradition of nude painting, and the display and distribution of nude material to the public had been suppressed since the 1787 Proclamation for the Discouragement of Vice. The supposed prurient reaction of the lower classes to his nude paintings caused concern throughout the 19th century. Many critics condemned his repeated depictions of female nudity as indecent, although his portraits of male nudes were generally well received. (Etty's male nude portraits were primarily of mythological heroes and classical combat, genres in which the depiction of male nudity was considered acceptable in England.) From 1832 onwards, needled by repeated attacks from the press, Etty remained a prominent painter of nudes but made conscious efforts to try to reflect moral lessons in his work.
What is the last name of the person whose family was financially insecure?

Passage: Following the seven performances on the Joshua Tree Tour, U2 did not perform "Mothers of the Disappeared" until 1998, on the fourth leg of the PopMart Tour. It was played at three concerts in Argentina and once in Chile, concluding all four shows. Bono sang "el pueblo vencerá" at the end of each performance. The first rendition was on 5 February 1998 in Buenos Aires, where it was performed with the Madres accompanying them onstage. The song was played by just Bono and the Edge and was set against footage of the Madres on the video screen. At the conclusion of the song, the band members faced the Madres and applauded, an act in which the rest of the audience joined. Part of the performance was later included on the television documentary Classic Albums: The Joshua Tree.The cost of the tickets was too high for many fans in South America, so the band broadcast the 11 February concert in Chile live on television. Knowing that many people in the country would be watching, they played "Mothers of the Disappeared" in place of "Wake Up Dead Man". The stadium in which the concert was held had been used as a prison camp by Pinochet's regime following the coup d'état. Again it was performed solely by Bono and the Edge against footage of the Madres, and they invited the women to join them onstage a second time. The Madres held up photographs of their children and spoke about them briefly during the performance, an act which received a mixed reception from the audience. Bono made a plea to Pinochet, asking him to "tell these women where are the bones of their children.""Mothers of the Disappeared" was performed again on the fourth leg of the Vertigo Tour, on 26 February 2006 in Santiago and 2 March in Buenos Aires. Although it was rehearsed by the full band, it was played only by Bono and the Edge in an arrangement similar to the one from the PopMart Tour. The Edge performed the song on a charango that Chilean President Ricardo Lagos had given to Bono earlier that day. It was played at three concerts on the third leg of the U2 360° Tour in place of "MLK". One performance in Istanbul, Turkey was dedicated to Fehmi Tosun, an ethnic Kurd who was kidnapped in October 1995 and subsequently disappeared. The abduction was witnessed by his wife and daughter; no information regarding his disappearance has ever been released.
For the first time in 30 years, a full band arrangement of "Mothers of the Disappeared" returned to U2's live set for the Joshua Tree Tour 2017, on which the group played The Joshua Tree in sequence in its entirety for each show. Eddie Vedder and Mumford & Sons accompanied U2 on-stage in a performance of the song during a 14 May 2017 show in Seattle.
What had "el pueblo vencerá" sung after each performance?

Passage: After "Jingle Bells" melody, played on a calliope, is heard during the brief opening credits, two children, who appear to be five or six years old, are seen in a bunk bed, saying goodnight to their mother. The boy, Dick, is in the upper bunk and the girl, Ann, who is in the lower bunk, says, "oh, Dick, I wonder if Santa ever got our letter". 
The visuals become blurry and a male narrator states, "yes, Ann, far up in the North Pole, Santa is reading your letter now". In a spacious living room setting, seated in a large easy chair and dressed in full traditional apparel, Santa is holding a sheet of paper which is shown in close-up to depict, in large-lettered children's handwriting, "Dear Santa / DicK and I would LiKe To visiT You. / CouLD we PLEase visit you at The NoRTH PoLE beFore CHriSTmAs ? / DicK And ANN".
Upon reading the letter, Santa says, "Why not" and calls elf Toby to prepare the magic helicopter and bring the two children to him. Toby responds, "your'all words are my command, Santa". Appearing in Dick and Ann's bedroom, Toby awakens them with the words, "hurry up and get dressed and we will fly to Santa", as the narrator explains to the audience, "it's just a short hop in the magic helicopter". 
Walking through a castle-style entrance inscribed "Santa", Toby leads Dick and Ann into Santa's living room and is then dismissed by Santa who, still seated in his large easy chair, takes the children onto his lap, as documentary footage of seasonal celebrations and Santa pageantry appears on the screen, with the narrator recounting how Christmas is observed in various cities and towns. A Christmas parade, with main focus on Santa, is seen in the Pennsylvania city of McKeesport. Santa gives Dick and Ann a tour of "The Village Toy Shop" which appears as a series of Christmas doll and toy exhibits as well as displays in a large department store. Santa then leads them to his toy warehouse where preparations are made for Christmas Eve distribution.
Who does the girl wonder aloud to about Santa receiving their letter?