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) Donald Trump's campaign fired one of its senior advisers on Monday, multiples sources confirmed to CNN. Ed Brookover, who helped manage the campaign's delegate operations in the lead up to the Republican National Convention, was fired a little more than six weeks after he was promoted as the campaign's liaison to the Republican National Committee. The firing comes even as the campaign continues to hire more staff in an effort to build up its political operation less than 100 days before the general election. "The campaign has parted ways with Ed, but we are thankful to him for his many contributions and appreciate his continued support," the campaign said in a statement.One senior campaign source says Brookover and Manafort "never saw eye-to-eye" 
 Questions:One source said _ has not been involved in high-level meetings for weeks, and another said Brookover was axed from the campaign's list of surrogates about three weeks ago. (A) Donald Trump (B) CNN (C) Ed Brookover (D) Republican National Convention (E) Republican National Committee (F) Ed (G) Manafort
Solution:
(C)