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: Washington (CNN) Hillary Clinton and Donald Trump exchanged a series of quick jabs during the first presidential debate at Hofstra University Monday night in Hempstead, New York. Here are some of the most memorable lines so far: Prepared? "I think Donald just criticized me for preparing for this debate. And, yes, I did. You know what else I prepared for? I prepared to be president. And I think that's a good thing," Clinton said. Trump on 'birtherism' "I got him to give the birth certificate," he said about President Barack Obama. Trump on his temperament "I think my strongest asset by far is my temperament. I have a winning temperament," Trump said."Donald, it's good to be with you," Clinton said at the start of the debate"Secretary Clinton doesn't want to use a few words: Law and order," Trump said later 
 Question:It's not nice,' " _ told CNN after the debate.

Donald Trump