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.
One example is below.
Q: Only the government of the United States can decide if it prefers this variant, continued the letter, which Castro read on a state television station broadcast. Gonzalez for months refused requests by Elian's Miami relatives to go to the United States to (claim) the boy.  
 Verb: claim
A: Yes
Rationale: This is a good example. Gonzalez refused to "claim" the boy. So, the claim didn't happen and it's a negation.
Q: HAVANA ( AP ) -- While an important step, the U.S. government decision to return 6-year-old Elian Gonzalez to Cuba does not guarantee that the boy will be (repatriated), the communist leadership warned.  
 Verb: repatriated
A:
Yes