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: 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. 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.
Verb: is
Example Output: No

Example Input: So when the president of Cyprus admitted this week that his country did not have the money to backstop the 30 billion euros of guaranteed bank deposits - a figure greater than the Cypriot economy itself - a crucial bond of trust between a government and its citizens was snapped. " It is the first time ever that the leader of a euro zone country has admitted that he could not afford to (pay) the guarantee, " Mr. Dor said.
Verb: pay
Example Output: Yes

Example Input: Helicopters are flying over northern New York today trying to locate people stranded without food, heat or medicine. In Maine, about a half million people still do n't (have) power and they're going to have to live without it for a while.
Verb: have
Example Output:
Yes