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: Mass immigration is ‘nothing but a plus’ for Britain, Jeremy Corbyn said yesterday as he opened up a fresh split with his own MPs. The Labour leader said the influx of hundreds of thousands of migrants each year was ‘not necessarily a problem’ and should be seen as an opportunity. But hours later his Shadow Home Secretary Andy Burnham warned Labour was ‘out of touch’ on immigration and called for a tougher line to win back supporters who have defected to Ukip. Mr Corbyn, who has previously said Britain should ‘celebrate’ record levels of net migration, had failed to mention the issue in his hour-long conference speech on Tuesday.Jeremy Corbyn said that mass migration was 'not necessarily a problem'Shadow Home Secretary Andy Burnham warned Labour was 'out of touch'He said the party risked losing further support to Ukip due to immigrationBurnham said he wanted laws to make it illegal to pay migrants less 
 Questions:Read the latest news on the Labour Party and _'s views on immigration. (A) Britain (B) Jeremy Corbyn (C) Labour (D) Andy Burnham (E) Ukip (F) Burnham
A:
(B)