Definition: 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. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: White Plains, New York (CNN) To Hillary Clinton's campaign, Donald Trump is no more than the political version of Biff Tannen from "Back to the Future," Mick from "Teen Wolf "and Regina George from "Mean Girls." The Clinton campaign's latest ad compares Trump to a series of movie bullies by pairing disparaging lines from the actors with comments Trump has made throughout his career. The formula goes like this: Regina George from Mean Girls saying "you are so stupid" is paired with Trump saying "how stupid are the people of the country" at a November rally, while Biff from Back to the Future saying "I don't want to see you in here again" is paired with Trump kicking people out of his rallies.The Clinton campaign's latest ad compares Trump to a series of movie bulliesThe ad is airing in key battleground states including Florida, Iowa, Nevada and Pennsylvania 
 Question:"Hillary Clinton should look in the mirror on this one," _ spokesman Jason Miller said.

Donald Trump