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].

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.
Example output: China
Example explanation: This is a good example. Based on the passage, any cubs will return to China at the age of two
Q: Britain campaigned to get the jihadi preacher who inspired the Tunisian beach massacre off the United Nations's al-Qaida watch list, and may have attempted to recruit him as a spy, it has been reported. Hani al-Sibai, 54, who is living on £50,000-a-year state hand outs, described the London 7/7 terror attacks as a 'great victory', and is one of the 'key influencers' of the Islamic fanatics believed to have recruited beach gunman Seifeddine Rezgui. But now High Court documents have reportedly shown that in 2009, when David Miliband was foreign secretary, the Labour government had pushed for al-Sibai, who lives in London, to be taken off the UN's list of terror suspects.Hani al-Sibai, 54, described 7/7 attacks as a 'great victory' and is 'key influencer' of fanatics believed to have recruited beach gunmanHe has taken legal action to be taken off UN's list of terror suspectsHigh Court documents show government lobbied to have him removed from list in 2009Egyptian authorities claimed British intelligence services may have been trying to recruit al-Sibai 
 Question:'Al-_’s involvement in international jihadism runs long and deep,' the report states.
A:
Sibai