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) Rescuers in southern Colombia were scrambling Sunday to reach more than 100 people who are missing after devastating mudslides tore through entire communities. Hundreds are reported dead after torrential rains Friday night caused three rivers surrounding Mocoa, in Putumayo province, to overflow -- sending a torrent of mud surging through the city. Reports of the exact number of those killed in the rugged, remote area vary. The Colombian military said at least 254 are dead and around 400 more injured. The Red Cross reports 234 deaths and said that 158 people were missing. A police officer was among the victims, federal officials said.Highways, bridges, homes flattened as mudslides follow torrential rainPresident declares state of emergency as crews search for missing 
 Questions:"Our condolences to the family, friends and colleagues of this young _, who chose serving his country as a career, fulfilled his duty to give his own life to save others if necessary and honored his homeland," police said. (A) Colombia (B) Mocoa (C) Putumayo (D) Red Cross
Solution:
(A)