Information:  - Russia, also officially known as the Russian Empire, was a state that existed from 1721 until it was overthrown by the short-lived liberal February Revolution in 1917. One of the largest empires in world history, stretching over three continents, the Russian Empire was surpassed in landmass only by the British and Mongol empires. The rise of the Russian Empire happened in association with the decline of neighboring rival powers: the Swedish Empire, the PolishLithuanian Commonwealth, Persia and the Ottoman Empire. It played a major role in 181214 in defeating Napoleon's ambitions to control Europe, and expanded to the west and south.  - Grigori Yefimovich Rasputin was a Russian peasant, an experienced traveler, a mystical faith healer, and trusted friend of the family of Nicholas II, the last Tsar of the Russian Empire. He became an influential figure in Saint Petersburg, especially after August 1915 when Nicholas took command of the army fighting in World War I. Advising his wife, Alexandra Feodorovna, in countless spiritual and political issues, Rasputin became an easy scapegoat for Russian nationalists, aristocrats and liberals.  - Jelena Karaorevi or Princess Helen of Serbia ( 4 November 1884 -- 16 October 1962 ) was the daughter of King Peter I of Yugoslavia and his wife Princess Zorka of Montenegro . She was the elder sister of George , Crown Prince of Serbia and King Alexander I of Yugoslavia . Helen was also a niece of Anastasia of Montenegro ( or `` Stana '' ) , wife of Grand Duke Nicholas Nikolaevich of Russia , and of Milica of Montenegro , wife of Grand Duke Peter Nicolaievich of Russia , the women who introduced Grigori Rasputin to Tsarina Alexandra . She was born Princess Jelena Karaorevi , became Princess Jelena of Serbia at the accession of her father and was known as Elena Petrovna , Jelena Petrovna , Hélène Petrovna or Ellen Petrovna after her marriage .  - George, Crown Prince of Serbia (Serbian: "kraljevi ore Karaorevi"; 27 August 1887  17 October 1972) was the eldest son of King Peter I of the Serbs, Croats and Slovenes and Queen Ljubica (Zorka) of Montenegro. He was the older brother of King Alexander I of Yugoslavia.  - Saint Petersburg is Russia's second-largest city after Moscow, with five million inhabitants in 2012, and an important Russian port on the Baltic Sea. It is politically incorporated as a federal subject (a federal city). Situated on the Neva River, at the head of the Gulf of Finland on the Baltic Sea, it was founded by Tsar Peter the Great on May . In 1914, the name was changed from Saint Petersburg to Petrograd, in 1924 to Leningrad, and in 1991 back to Saint Petersburg. Between 17131728 and 17321918, Saint Petersburg was the imperial capital of Russia. In 1918, the central government bodies moved to Moscow.  - Alexander I ("Aleksandar I Karaorevi", ), also known as Alexander the Unifier ("Aleksandar Ujedinitelj", ,  9 October 1934) served as a prince regent of the Kingdom of Serbia from 1914 and later became King of Yugoslavia from 1921 to 1934 (prior to 1929 the Kingdom was known as the Kingdom of Serbs, Croats and Slovenes).    After reading the paragraphs above, we are interested in knowing the entity with which 'princess helen of serbia' exhibits the relationship of 'ethnic group'. Find the answer from the choices below.  Choices: - british  - finland  - polish  - russia  - serbs  - slovenes
serbs

Q: Information:  - Hard rock is a loosely defined subgenre of rock music that began in the mid-1960s, with the garage, psychedelic and blues rock movements. It is typified by a heavy use of aggressive vocals, distorted electric guitars, bass guitar, drums, and often accompanied with pianos and keyboards.  - Kentucky, officially the Commonwealth of Kentucky, is a state located in the east south-central region of the United States. Kentucky is one of four U.S. states constituted as a commonwealth (the others being Virginia, Pennsylvania, and Massachusetts). Originally a part of Virginia, in 1792 Kentucky became the 15th state to join the Union. Kentucky is the 37th most extensive and the 26th most populous of the 50 United States.  - Roadrunner Records is a major record label that concentrates primarily on heavy metal and hard rock bands. It is a division of Warner Music Group and is based in New York City.  - Black Stone Cherry is an American hard rock band, formed in 2001 in Edmonton, Kentucky. They were signed to Roadrunner Records until 2015; the band is now signed to Mascot Label Group. The band consists of Chris Robertson (lead vocals, lead guitar), Ben Wells (rhythm guitar, backing vocals), Jon Lawhon (bass guitar, backing vocals), and John Fred Young (drums, backing vocals). Black Stone Cherry has released five studio albums: "Black Stone Cherry" (2006), "Folklore and Superstition" (2008), "Between the Devil and the Deep Blue Sea" (2011), "Magic Mountain" (2014), and "Kentucky" (2016), as well as three EPs, and have charted eight singles on the US Mainstream Rock Tracks charts. The band's fifth album, "Kentucky" was released on April 1, 2016.  - Folklore and Superstition is the second studio album by Black Stone Cherry . The band recorded the album at Black Bird Studios , which is owned and operated by country artist Martina McBride , in Nashville , Tennessee . It was produced and mixed by veteran rock producer Bob Marlette ( Alice Cooper , Ozzy Osbourne , Saliva , Seether , Shinedown ) . The album was available for audio streaming through NME as of August 13 , 2008 . The week beginning the 24th of August , the album reached the number one position in the UK Rock Album Chart in its debut week , and number 23 on the main Top 200 UK Albums Chart . It debuted in Sweden at # 50 .    After reading the paragraphs above, we are interested in knowing the entity with which 'folklore and superstition' exhibits the relationship of 'followed by'. Find the answer from the choices below.  Choices: - 1  - 2006  - 2011  - 2014  - 50  - a  - album  - ben  - between the devil and the deep blue sea  - black stone  - blues  - cherry  - city  - commonwealth  - deep blue  - defined  - devil  - eight  - electric  - fifth  - fifth album  - five  - folklore  - folklore and superstition  - four  - guitars  - hard  - is  - john  - magic  - massachusetts  - mountain  - music  - on  - pennsylvania  - record  - records  - rock  - second  - south  - superstition  - the 15th  - the deep  - the deep blue  - the second  - tracks  - union  - us
A: between the devil and the deep blue sea