TASK DEFINITION: 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.
PROBLEM: Ultimately, we would need to have a hair taken directly from Kopp himself to establish conclusively the hair from scene is his,  the official added. 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.  
 Verb: thought

SOLUTION: No

PROBLEM: The FBI is conducting further DNA tests of the hair found outside Dr. Slepian's home. This more extensive set of tests could enable officials to (declare) an absolute match between the two hair strands, the first law enforcement official said.  
 Verb: declare

SOLUTION: No

PROBLEM: First of America said some of the managers will take other jobs with First of America. But it said that severance payments to those executives not (staying) with the company will reduce First of America's operating results for 1989 by $3 million to $4 million, or 15 cents to 20 cents a share.  
 Verb: staying

SOLUTION:
Yes

