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.

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. (A) Tian Tian (B) UK (C) Edinburgh Zoo (D) Sweetie (E) Yang Guang (F) China
Example output: (F)
Example explanation: This is a good example. Based on the passage, any cubs will return to China at the age of two
Q: Hong Kong (CNN) The North Korean foreign minister and US Secretary of State walk into a room together. The world isn't waiting for a punchline; they're waiting too see what Pyongyang and Washington's top diplomats will do when they sit down in the same room for the first time. On Sunday, Ri Yong Ho and Rex Tillerson will both be in the Philippines for the annual Association of Southeastern Asian Nations' (ASEAN) Regional Forum, a dialogue to discuss security issues which includes 27 countries. It's the highest-level annual encounter between North Korea and the United States, says Mike Fuchs, a former deputy assistant secretary of state for East Asian and Pacific affairs, and the first during the Trump administration.US secretary of state and North Korean foreign minister attending ASEAN-sponsored security dialogueTensions in the South China Sea will also be on the agenda 
 Questions:With the success of the recent _ missile tests, Pyongyang's diplomats could believe they have the upper hand at the moment. (A) Hong Kong (B) CNN (C) North Korean (D) US (E) Pyongyang (F) Washington (G) Ri Yong Ho (H) Rex Tillerson (I) Philippines (J) Association of Southeastern Asian Nations (K) ASEAN (L) Regional Forum (M) United States (N) Mike Fuchs (O) East Asian (P) Pacific (Q) Trump (R) South China Sea
A:
(C)