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: Downing Street has given a 'final offer' over the proposed election TV debates, involving seven party leaders, including David Cameron A ‘final offer’ has been given to broadcasters for David Cameron to take part in one, seven-way TV election debate. Downing Street has accused the BBC and other networks of causing ‘chaos’ by attempting to dictate the terms of debates and repeatedly altering their proposals. It said broadcasters had ignored Mr Cameron’s long-held position that televised clashes between leaders were over-dominant in the 2010 election campaign and should start earlier. Number Ten is proposing a debate involving Mr Cameron, Ed Miliband, Nick Clegg, Nigel Farage, Green leader Natalie Bennett, SNP leader Nicola Sturgeon and Plaid Cymru’s Leanne Wood at the end of this month.Downing Street said broadcasters caused 'chaos' with debate proposalsBranded it 'deeply unsatisfactory' and said they should have started earlierUltimatum said single debate must feature Greens, SNP and Plaid CymruThey would debate alongside Ed Miliband, Nick Clegg and Nigel FarageOther parties unlikely to agree, raising doubts over whether debates will happen 
 Questions:Mr _ has accused Mr Cameron of deliberately sabotaging negotiations over the debates and ‘running scared’. (A) Downing Street (B) David Cameron (C) BBC (D) Cameron (E) Ed Miliband (F) Nick Clegg (G) Nigel Farage (H) Green (I) Natalie Bennett (J) SNP (K) Nicola Sturgeon (L) Plaid Cymru (M) Leanne Wood (N) Greens
A:
(E)