You will be given a definition of a task first, then some input of the task.
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.

Slepian, a 52-year-old obstetrician and gynecologist who was the mainstay of Buffalo's only abortion clinic, was shot to death on the night of Oct. 23 as he stood in the kitchen of his home in suburban Amherst, N.Y. chatting with his wife and one of his four sons. No weapon was (recovered) in the first police searches of the area around Slepian's home.  
 Verb: recovered
Output:
Yes