You will be given a context and a verb separated with a newline character, and you have to answer if the given verb can be anchored in time or not. We say a verb can be anchored in the real timeline if and only if a verb happened in the past, is happening now, or is guaranteed to happen in the future. The output should be "Yes" if the verb can be anchored in time and "No" otherwise.

Q: MIAMI ( AP ) -- In efforts to (prevent) Elian Gonzalez's return to Cuba, an anti-Castro lawmaker subpoenaed him Friday to testify before a congressional committee and one of his Miami relatives sought to become his legal guardian.
Verb: prevent

A: No
****
Q: Elian's young stepmother, Nelsy, flanked by his two grandmothers, was at the head of the March of the Combatant Mothers, pushing his half-brother in a stroller. Cuban authorities (estimated) that 100,000 women participated in the march.
Verb: estimated

A: Yes
****
Q: Juan Miguel Gonzalez has made the right decision to travel to the United States on Thursday to affirm his desire to be reunited with his son, Elian. His presence on American soil is necessary to dispel doubts about his fitness as a father _ raised maliciously by Elian's Miami relatives _ and to (end) speculation that he is indifferent about reclaiming custody of his son.
Verb: end

A:
No
****