instruction:
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.
question:
The company's sales force applauded the shake up. It's not something we're not (used) to in the industry.  
 Verb: used
answer:
Yes


question:
The alliance has expanded three times before, adding Greece and Turkey in 1952, West Germany in 1955 and Spain in 1982. But never before has NATO (reached) out to its former Eastern-bloc enemies.  
 Verb: reached
answer:
Yes


question:
On May 6, James Kopp, 44, was charged with the slaying. Kopp remains at-large and police admit that despite a worldwide search and a $1 million reward, they do n't (know) where he is.  
 Verb: know
answer:

Yes


