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: Nearly simultaneous bombings at U.S. embassies in Dar es Salaam, Tanzania, and Nairobi, Kenya, on Aug. 7 killed 258 people, including 12 Americans, and injured more than 5,500 people. Of those (killed), 11 were killed in Tanzania.  
 Verb: killed
Example Output: No

Example Input: 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: killed
Example Output: No

Example Input: The bombings on Aug. 7 killed 259 people, including 12 Americans, and injured more than 5,500. The U.S. team includes plastic surgeons with experience in physical reconstruction, and a psychiatrist who (worked) in Oklahoma City, where 168 people were killed in a bombing in 1995.  
 Verb: worked
Example Output:
No

