You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
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.

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)
Why? This is a good example. Based on the passage, any cubs will return to China at the age of two

New input: Seoul (CNN) A man drove a construction vehicle Tuesday into the gate of a South Korean prosecutor's office intending to kill the woman at the center of a major political scandal, authorities said. The man came from a rural town to the prosecutor's office in Seoul to "help Choi Soon-sil die," said Han Jeung-sub, a detective at the Seocho Police Station. Choi is a friend and informal adviser to South Korean President Park Geun-hye, and she has been described as a Rasputin-like character to the leader. Accusations that Choi was the recipient of leaked official state documents have led to noisy demands for Park's ouster, with thousands taking to the streets over the weekend demanding she step down.President's friend and informal adviser taken into "emergency detention"Confidante faces questioning over allegations she received classified documents 
 Questions:In a televised presidential apology, _ said Choi looked at "some documents" for a certain period of time after Park took office but didn't specify what they were. (A) Seoul (B) CNN (C) South Korean (D) Choi Soon (E) Han Jeung (F) Seocho Police Station (G) Choi (H) Park Geun (I) Rasputin (J) Confidante
Solution:
(H)