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.

Input: Consider Input: Countries have the right to defend themselves and their citizens against terrorism and New Zealand appreciates and understands the steps the United States has taken,  McKinnon said. The embassy bombings, on Aug. 7, (killed) 247 people in Kenya and 10 in Tanzania.  
 Verb: killed

Output: No


Input: Consider Input: Tuesday to sign a paper promising to turn over the boy to immigration authorities if they lose their federal court appeal. The Miami relatives thus far have (refused) to sign the document, and in recent days said they would not turn Elian over to his father if he came to the United States.  
 Verb: refused

Output: Yes


Input: Consider Input: Mr. Edelman declined to specify what prompted the recent moves, saying they are meant only to benefit shareholders when " the company is on a roll. " He added, " This (has) nothing to do with Marty Ackerman and it is not designed, particularly, to take the company private. "  
 Verb: has


Output: Yes


