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.
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Question: The almost simultaneous attacks Aug. 7 at the U.S. embassies in Nairobi, Kenya, and Dar es Salaam, Tanzania, killed 257 people and injured more than 5,500.  The incidents of Aug. 7 underscore that terrorists know no boundaries, and that the suppression of international terrorism, the arrest, the conviction and the punishment of its perpetrators are essential to the maintenance of international peace and security,  (said) the U.S. Deputy Ambassador Peter Burleigh.  
 Verb: said

Answer: No


Question: On Sunday, Tanzanian police and FBI agents said they had made  extraordinary discoveries,  having determined what the Dar es Salaam bomb was made of and who carried it to the embassy. They refused to (provide) details.  
 Verb: provide

Answer: Yes


Question: It is for me very symbolic that it is precisely here that we today accept the guarantee that my country never again will become the powerless victim of foreign invasion,  Kavan said. In looking ahead to even greater expansion of NATO, Polish Foreign Minister Bronislaw Geremek said,  We should keep the door of the alliance open for those who have (fought) for freedom...  
 Verb: fought

Answer:
No


