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.

Q: They believe Kopp was driven to Mexico by a female friend after the shooting, and have a trail of her credit card receipts leading to Mexico, the federal officials have said. In addition, a Customs Service videotape from a border crossing point (shows) the woman's car returning from Mexico, these officials said.
Verb: shows

A: No
****
Q: In composite trading on the New York Stock Exchange yesterday, Upjohn shares rose 87.5 cents to $38.875 apiece. An Upjohn spokesman said he had " (heard) nothing " to suggest the early retirement package was spurred by shareholder pressure or a potential bidder for the company, which occasionally has been the target of takeover speculation.
Verb: heard

A: Yes
****
Q: Since the tragedy, Elian has become a political poster boy for Cubans with diametrically opposed ideologies living on both sides of the Florida Straits. During his speech Wednesday night, Castro expressed irritation that much of the rest of the delegation was not (granted) visas to travel to the United States to stay with Elian while waiting out a federal appeal filed by Elian's Miami relatives and assist in his rehabilitation.
Verb: granted

A:
Yes
****