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: Albright told the foreign minister the American people share in the profound sorrow of the Tanzanians and said the United States will maintain its presence throughout Africa and throughout the world.  These bombings will not cause America to back down or (retreat),  she declared.  
 Verb: retreat

Answer: Yes


Question: Protesters from several Catholic communities crowded into Portadown's Catholic Garvaghy Road to hear speakers demand negotiations with Orange Order leaders, and pledge to participate in each others' road-blocking protests this summer.  Small nationalist communities are not going to be (left) on their own this summer,  said Gerard Rice, a former IRA prisoner who leads anti-Orange protests in a Catholic neighborhood of south Belfast.  
 Verb: left

Answer: Yes


Question: The company said it was informed Friday that it violated MindSpring's policy on  threatening and harassing language.  Horsley (called) the move a  temporary setback.   
 Verb: called

Answer:
No


