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.

[EX Q]: Congress reconvenes Jan. 24. The Justice Department and the INS must n't (allow) the opportunists of Capitol Hill to get their hooks into Elian.
Verb: allow
[EX A]: Yes

[EX Q]: NAIROBI, Kenya ( AP ) _ U.S. Ambassador Prudence Bushnell wrapped up some unfinished business on Wednesday, meeting with Kenya's trade minister to finish talks that were (interrupted) by the car bombing of the embassy.
Verb: interrupted
[EX A]: No

[EX Q]: It was definitely a bomb, said a U.S. Embassy official in Nairobi, who refused to identify himself. You can see a huge crater behind the building, and a bomb (went) off at the embassy in Tanzania at the same time, he said.
Verb: went
[EX A]:
No