Detailed Instructions: 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: Vacco's campaign manager, Matt Behrmann, said in a statement that Spitzer had  sunk to a new and despicable low by attempting to capitalize on the murder of a physician in order to garner votes.   It's possible that New York politics has never (seen) anything as crass as Eliot Spitzer's willingness to exploit the unfortunate murder of Slepian as a steppingstone for his own political ambitions,  Berhrmann said.  
 Verb: seen
A:
Yes