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: 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
Example Output: No

Example Input: He persevered through courage and a belief in the right of his patients to choose whether to bear a child. But a principled commitment to provide a constitutionally protected service could not (stop) the assassin's bullet that tore through his kitchen window and into his back Friday night.
Verb: stop
Example Output: Yes

Example Input: Horsley called the move a temporary setback. We are presently (searching) for a bolder and more principled ( Internet service provider ) to host the Nuremburg Files, the statement said.
Verb: searching
Example Output:
No