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.

If and when the relatives' appeal goes to federal court, chances of a favorable ruling are slim. First of all, the INS already has taken the position the only person who can petition for U.S. asylum for Elian is his father, which he is not about to (do).  
 Verb: do
Yes

Tanzanian police said on Tuesday they had arrested 14 foreigners in their search for bombers. The 14 foreigners, six Iraqis, six Sudanese, a Somali national and a Turk, were rounded up because they failed to (explain) their presence in the country satisfactorily.  
 Verb: explain
Yes

Elian should be with his father.  His sincerity did n't (stop) the talk on Little Havana's streets or on Miami's ubiquitous Spanish-language radio stations, which buzzed with callers lambasting Gonzalez for playing into the hands of a tyrant.  
 Verb: stop

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Yes

