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: NAIROBI, Kenya (CNN) -- An Al Qaeda-linked militant group waging war against Somalia's fragile government is becoming an increasing threat to Western ally Kenya and could potentially destabilize the region with dire consequences for global security, officials and analysts warn. Al-Shabab fighters count their bullets in neighborhood of Mogadishu. Al-Shabaab, one of the strongest Islamic militias battling for control of Mogadishu, has gained ground in recent weeks, according to officials, and has started to flex its muscles beyond Somalia's border with terror strikes, kidnappings and recruitment drives. They warn that unless the world takes action the group, which wants to impose an extreme type of Islamic sharia law, could extend its grip across parts of East Africa to gain control of a region that flanks busy shipping routes already plagued by Somali piratesExperts, officials warn of growing threat from Somali militant groupAl-Shabaab is one of strongest Islamic militias battling for MogadishuKenya says danger is to region and world despite threats on Nairobi 
 Question:We know that _ are not able to do it without foreign intervention in terms of money and weapons that they are getting from other countries."
A:
Al-Shabab