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.

Input: Consider Input: The increase of anti-choice laws and ongoing campaigns of harassment by protest groups, even short of murder, have worked to make abortions harder to obtain. More than 80 percent of counties in this country (have) no abortion provider.
Verb: have

Output: Yes

Input: Consider Input: Poland, Hungary and the Czech Republic can now participate in NATO strategy planning, because all NATO member states have approved their joining the alliance, German defense minister Rudolf Scharping said Saturday. The Netherlands early this week (became) the last country to ratify NATO expansion to include the three former Warsaw Pact nations.
Verb: became

Output: No

Input: Consider Input: In the air, U.S. Air Force fliers say they have engaged in a little cat and mouse with Iraqi warplanes, which have retreated when weapons radar locks onto them. They do n't want to (play) with us, one U.S. crew chief said.
Verb: play
Output: Yes