You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
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.

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
Solution: (F)
Why? This is a good example. Based on the passage, any cubs will return to China at the age of two

New input: (CNN) How did Donald Trump defend his lewd and sexually aggressive comments against women in the second presidential debate? ISIS. It's perhaps the first time the extremist group that has waged terror across the globe has been evoked to answer a question about a hot mic sex tape. But ISIS wasn't the only global threat the presidential candidates tackled in their vitriolic back and forth that had both US audiences and non-Americans captivated. Here's the key moments in a debate that laid bare the candidates' stark foreign policy differences. Because ISIS Trump answered a question from Anderson Cooper about the vulgar language he was caught on tape using a decade ago with a rant about ISIS, mentioning the group at least five times.Trump uses ISIS to deflect question on vulgar commentsClinton: Russia trying to influence election for Trump 
 Questions:CNN fact checkers say while there's evidence that Russia is behind the hack, Clinton's assertion that it was done to support _ was just a hunch. (A) Donald Trump (B) ISIS (C) US (D) Americans (E) Clinton (F) Russia
Solution:
(A)