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.
See one example below:
Problem: 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
Solution: Yes
Explanation: This is a good example. Gonzalez refused to "claim" the boy. So, the claim didn't happen and it's a negation.

Problem: UNOS says the regulations put the federal government in charge of deciding who gets transplants and that many hospital transplant centers would be forced to close. Health and Human Services Secretary Do - Donna Shalala says patients who need an organ transplant should not have to take a chance that an organ will become available in their local area, nor should patients have to (travel) to transplant centers far from their homes to improve their chances of getting an organ.  
 Verb: travel
Solution:
Yes