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. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].

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

New input: Jeb Bush is irked by Donald Trump's constant baiting on Twitter, and wants some tweet-free peace every evening. He told DailyMail.com on Thursday in New Hampshire that 'it's hard to keep up with all the Twitter' activity that the Republican front-runner generates both personally and through his staff. 'I just think there ought to be a no-Twitter rule for candidates after 8 o-clock!' Bush said outside a senior center in the town of North Conway, near iconic Mount Washington. 'There just should be, like, a rule.' Bush communications director Tim Miller sought to soften the former governor's words after the North Conway event, saying: 'It's funny.'Trump has baited his Republican rivals with tweets to 4.7 million followers, often in the wee hours of the morningJeb told DailyMail.com that 'it's hard to keep up'While The Donald hammered Bush on Wednesday for not being 'truthful' on Fox News, the former governor was tweeting fall foliageJeb has dropped to 4 per cent in the latest national poll, while Trump leads the field with 26See more of the latest on the Republican presidential primaries 
 Question:But The Donald's campaign acknowledged that _ had retweeted it personally, saying that he didn't notice the tiny swastika at the time.
Solution:
Donald Trump