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.
Input: They refused to provide details. Media reports in Tanzania have (said) the ingredients for the bombs had originated in the Middle East and were transferred by sea via the Comoro Islands to Tanzania.  
 Verb: said
Output:
No