Detailed Instructions: 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.
See one example below:
Problem: 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)
Explanation: This is a good example. Based on the passage, any cubs will return to China at the age of two

Problem: (CNN) Khuram Shahzad Butt, a 27-year-old British national born in Pakistan who died in a hail of police bullets Saturday night after the London attack, was a tall, lanky, straggly bearded young man of few words -- a brainwashed follower of al-Muhajiroun, a loose grouping of British extremists supportive of ISIS linked to a large number of terrorist plots involving UK nationals. The latest on London attack CNN's Sandi Sidhu met him several times while reporting on the group in the United Kingdom between 2014 and 2016. He went by the name "Abz" or "Abu Zaitun" and seldom spoke during meetings. He was content to leave the task of proselytizing to louder, older members of the group, according to Sidhu.London attacker Khuram Shahzad Butt appeared in a 2016 Channel 4 documentary called "The Jihadis Next Door"At the time of the attack, Butt worked as a receptionist at a fitness center in Ilford, a friend from the gym said 
 Questions:The identification of Butt as one of the attackers raised many questions about what _ authorities knew about him and when. (A) CNN (B) Khuram Shahzad Butt (C) British (D) Pakistan (E) London (F) Muhajiroun (G) ISIS (H) UK (I) Sandi Sidhu (J) United Kingdom (K) Abz (L) Abu Zaitun (M) Sidhu (N) Channel 4 (O) The Jihadis Next Door (P) Butt (Q) Ilford
Solution:
(C)