Teacher: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.
Teacher: Now, understand the problem? Solve this instance: This day, in the history of their relations with the United States, will be remembered in the Cuban community in the same way the Bay of Pigs is remembered.  Cuban exiles failed to (overthrow) Castro in 1961 when the communist leader repelled their invasion at the Bay of Pigs.  
 Verb: overthrow
Student:
Yes