You will be given a context and a verb separated with a newline character, and you have to answer if the given verb is a negation or not. A verb is a negation if it is not going to exist, not happen, or has no effect. The output should be "Yes" if the verb is a negation and "No" otherwise.

Example Input: The official said the hair was in a cap that authorities found very near the location from which the sniper is thought to have fired the rifle bullet that killed Slepian as he stood in the kitchen of his home in the Buffalo suburb of Amherst, N.Y. But The Buffalo News reported Friday that the hair was in a packet, with at least two bullets, that was found buried in the ground more than 50 feet from a tree where police believe the sniper stood and (fired).
Verb: fired
Example Output: No

Example Input: But the big, often tumultuous slide in stock prices this month has turned some of those who have been profiting from the practice against it. Peter DaPuzzo, head of retail equity trading at Shearson Lehman Hutton, acknowledges that he was n't (troubled) by program trading when it began in the pre-crash bull market because it added liquidity and people were pleased to see stock prices rising.
Verb: troubled
Example Output: Yes

Example Input: Of those killed, 11 were killed in Tanzania. Two key suspects in the Kenya bombing have been (handed) over to the United States for trial.
Verb: handed
Example Output:
No