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) For several weeks now, city and state officials have traded barbs over who is ultimately responsible for the toxic water that's inundated Flint, Michigan. On Thursday, the feds said they both are. In an emergency administrative order, the Environmental Protection Agency slammed the city of Flint, the Michigan Department of Environmental Quality and the State of Michigan, saying they are all responsible for the lead contamination in the city's water. Their responses to the crisis, the EPA said, were "inadequate to protect public health." EPA administrator resigns "There are serious, ongoing concerns with delays, lack of adequate transparency, and capacity to safely manage the drinking water system," the agency said in a press release.The EPA says the city of Flint and the state of Michigan are among those responsible for the water crisisThe agency's regional administrator who oversees Flint has resignedCongress may hold a hearing on the incident 
 Questions:The emergency order also means the EPA will start doing its own lead testing in _'s water system. (A) Flint (B) Michigan (C) Environmental Protection Agency (D) Michigan Department of Environmental Quality (E) State of Michigan (F) EPA (G) Congress
Solution:
(A)