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: (CNN) -- From fighting common colds to cancer, Chinese herbal medicines have long been touted for their healing properties. But this week, environmental group Greenpeace says it found many herbs purchased from Chinese and Hong Kong retail stores contain alarming levels of harmful pesticides. One herb, a sample of San Qi flower purchased from popular chain Beijing Tong Ren Tang, contained over 500 times the EU safety limit of a restricted pesticide. Another herb contained over 100 times that limit, according to the report. Beijing Tong Ren Tang did not return calls for comment. Of the 65 herbs sampled by Greenpeace, 51 contained pesticides with 26 having chemicals classified as "extremely or highly hazardous" by the World Health Organization, it said.Greenpeace: Of 65 herbs tested, 26 contained "highly hazardous" pesticidesGreenpeace: One herb contained over 500 times European safe limit of pesticideNEW: Hong Kong Department of Health says it is "concerned about the findings"Scientist says pesticides do not necessarily pose risk; boiling herbs can help 
 Questions:Wang said the _ government has "no regulation or guidance" regarding the use of pesticides with herbal crops. (A) CNN (B) Chinese (C) Greenpeace (D) Hong Kong (E) San Qi (F) Beijing Tong Ren Tang (G) EU (H) Beijing (I) Tong Ren Tang (J) World Health Organization (K) European (L) Department of Health
Solution:
(B)