Teacher: 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.
Teacher: Now, understand the problem? If you are still confused, see the following example:
Passage: Nearing London, Oliver encounters Jack Dawkins, a pickpocket more commonly known by the nickname the "Artful Dodger", and his sidekick, a boy of a humorous nature named Charley Bates, but Oliver's innocent and trusting nature fails to see any dishonesty in their actions. The Dodger provides Oliver with a free meal and tells him of a gentleman in London who will "give him lodgings for nothing, and never ask for change". Grateful for the unexpected assistance, Oliver follows the Dodger to the "old gentleman's" residence. In this way Oliver unwittingly falls in with an infamous Jewish criminal known as Fagin, the gentleman of whom the Artful Dodger spoke. Ensnared, Oliver lives with Fagin and his gang of juvenile pickpockets in their lair at Saffron Hill for some time, unaware of their criminal occupations. He believes they make wallets and handkerchiefs.
Solution: Who believes Fagin's gang make wallets and handkerchiefs?.
Reason: This question is based on the following sentence in the passage "He believes they make wallets and handkerchiefs". It evaluates the understanding that the pronoun "he" refers to name "Oliver". You can ask questions like this one about most pronouns in a paragraph.

Now, solve this instance: Passage: Fighter ace Major Lloyd "Ace" Gruver, of the United States Air Force,  the son of a U.S. Army general, is stationed at Itami Air Force Base near Kobe, Japan. He has been reassigned from combat duties in Korea by General Webster, the father of his fiancée, Eileen.
Airman Joe Kelly, who is Ace's enlisted crew chief, is about to wed a Japanese woman, Katsumi, in spite of the disapproval of the United States military establishment, which will not recognize the inter-racial marriage. The Air Force, including Ace, is against the marriage. Ace and Joe have an argument during which Ace uses a racial slur to describe Katsumi. Ace eventually apologizes, then agrees to be Joe's best man at the wedding.
Ace falls in love with a Japanese entertainer, Hana-ogi, who is a performer for a Takarazuka-like theater company, whom he meets through Katsumi. Eileen realizes that Ace's attentions are no longer focused on her and begins a friendship with a famous Kabuki performer, Nakamura. When she overhears that Joe's house has been under surveillance by the Army, she believes that Ace is in danger and goes there to warn him, where she realizes he is seeing a local woman.
Joe suffers further prejudice at the hands of a particularly nasty colonel, pulling extra duty and all the less attractive assignments. When he and many others who are married to Japanese are targeted for transfer back to the States, Joe realizes that he will not be able to take Katsumi, who is now pregnant. Ace goes to General Webster and pleads Joe's case, asking that he be allowed to remain in Japan. When the General refuses on the grounds that he cannot allow an exception, Ace tells him that he will be in the same situation, since he intends to marry Hana-Ogi. Eileen and her mother are present for the exchange and when Ace apologizes for hurting her, she realizes Ace never loved her the way he loves Hana-Ogi and she leaves to see Nakamura.
Student:
Who introduces Lloyd "Ace" Gruver to Hana-ogi?