TASK DEFINITION: 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: Kopp has eluded authorities since they obtained a warrant for him as a material witness in the Oct. 23 sniper shooting of Dr. Barnett Slepian, a 52-year-old obstetrician-gynecologist who performed abortions. The search for Kopp was recently (extended) to Mexico.  
 Verb: extended

SOLUTION: No

PROBLEM: She said Rabin's murder was  a black stain on Israel,  Israel radio and Israel army radio reported. Har-Shefi said she heard Amir talk about killing Rabin but did not tell the police because she did not (believe) he was serious.  
 Verb: believe

SOLUTION: Yes

PROBLEM: It strongly condemns the  terrorist bomb attacks.  And it stresses that every nation  has the duty to refrain from (organizing), instigating, assisting or participating in terrorist acts in another state.   
 Verb: organizing

SOLUTION:
No

