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.

Let me give you an example: 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
The answer to this example can be: Yes
Here is why: This is a good example. Gonzalez refused to "claim" the boy. So, the claim didn't happen and it's a negation.

OK. solve this:
People have been calling, and we've been reassuring them that we do n't see further problems,  said Mary Mkimbo, a spokeswoman in New York for the Kenya Tourist Office. The State Department, which does not (want) to see Kenya and Tanzania punished economically as a result of terrorist attacks that were clearly targeted at the United States, has lifted dire travel warnings issued just the bombings that urged Americans to stay away from the two countries.  
 Verb: want
Answer:
Yes