In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Among the entities, try to find the best entity that is most likely to fill in "_" and classify the answers based on options.

Example input: For four years we have waited expectantly for the pitter patter of tiny paws. Soon, that wait could finally be over. Tian Tian, the UK's only female giant panda, has conceived and could give birth to a cub as early as August. However Edinburgh Zoo, where the pandas live, have warned people 'not to get too excited' as the process is 'extremely complex'. Moreover, on the two previous occasions keepers inseminated Tian Tian - whose name means 'Sweetie' - she has failed to produce a panda cub. She was artificially inseminated again in March this year, but keepers at the zoo say implantation - when a fertilised egg attaches to the uterus - has not yet occurred.Tian Tian has conceived and could give birth to a cub as early as AugustShe has been inseminated twice before but so far failed to produce a cubTian Tian and Yang Guang arrived in 2011 from China to great fanfareOn loan at £600k a year, became first giant pandas to live in UK for 17 years 
 Questions:Under the terms of the agreement any cubs will return to _ at the age of two, the age at which they would normally leave their mother in the wild. (A) Tian Tian (B) UK (C) Edinburgh Zoo (D) Sweetie (E) Yang Guang (F) China
Example output: (F)
Example explanation: This is a good example. Based on the passage, any cubs will return to China at the age of two
Q: It has long been a complaint that all politicians are the same. Now the Green party has set it to music, with a new election advert featuring David Cameron, Nick Clegg, Ed Miliband and Nigel Farage forming a bizarre pro-austerity boyband. The video, complete with dry ice, glittering podiums and the obligatory key change, is designed to show that despite their claims to the contrary, the Tories, Lib Dems, Labour and Ukip are all singing the same tune on cuts, public services and immigration. The video begins with 'David Cameron' playing a white grand piano, with 'Ed Miliband' looking onAdvert sees party leaders form an unlikely boyband named CoalitionGreens claim main parties are all 'singing from the same hymn sheet'Mocks Tories, Lib Dems, Labour and Ukip for agreeing on austerityThe film will first be broadcast at 5.55pm on Thursday night on BBC2 
 Questions:It sees Mr _ entering a polling booth and telling voters how 'a vote for me's the same as a vote for any of us guys'. (A) Green party (B) David Cameron (C) Nick Clegg (D) Ed Miliband (E) Nigel Farage (F) Tories (G) Lib Dems (H) Labour (I) Ukip (J) Coalition (K) Mocks Tories (L) BBC2
A:
(B)