Detailed 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.
Problem:The only thing on Cuban television is Elian's story, she said, and she feels the Cuban people are getting tired of the issue. She does not (speak) to her brother and has n't for several years.
Verb: speak
Solution:
Yes