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: Ricardo Alarcon, president of the National Assembly and Castro's point man on U.S. - Cuban relations, told The Associated Press that Cuban authorities are frustrated by Reno's failure to set a new deadline and the INS's failure to enforce its decision. No enforcement action was ever (announced) by the INS, he said.
Verb: announced

SOLUTION: Yes

PROBLEM: The Netherlands early this week became the last country to ratify NATO expansion to include the three former Warsaw Pact nations. The three are (expected) to join in April, as part of marking NATO's 50th anniversary.
Verb: expected

SOLUTION: No

PROBLEM: Albright, arriving after a 16-hour flight, spent about five hours in Tanzania before heading to Nairobi in a small plane when an engine of the Boeing 747 she had flown in from Washington overheated. She was scheduled to lay flowers at the bombed embassy, talk to Kenyan embassy guards and others who survived the blast and meet with President Daniel arap Moi in a five-hour visit before (returning) home.
Verb: returning

SOLUTION:
No