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.
One example: 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 is here: (F)
Explanation: This is a good example. Based on the passage, any cubs will return to China at the age of two

Now, solve this: Washington (CNN) Even as tensions between the US and North Korea have intensified, along with President Donald Trump's rhetoric, US diplomats have quietly and steadily been in contact with their North Korean counterparts. The meetings, led by the US Special Representative for North Korea Policy Joseph Yun and reported on by CNN, have focused on Americans detained in North Korea, but have also touched on the relationship between the two countries. The US has been in contact with North Korea since at least February at an official level and there have been lower-level talks between Americans -- though none who represent the US government -- and North Korean officials.Contacts between Pyongyang and the US picked up again after Trump took officeThey follow a deep freeze between North Korea and the Obama administration 
 Questions:Three other _ are still being held in North Korea. (A) Washington (B) CNN (C) US (D) North Korea (E) Donald Trump (F) North Korean (G) Joseph Yun (H) Americans (I) Pyongyang (J) Trump (K) Obama
Solution:
(H)