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: In looking ahead to even greater expansion of NATO, Polish Foreign Minister Bronislaw Geremek said, We should keep the door of the alliance open for those who have fought for freedom... Another curtain should never (descend) on Europe.
Verb: descend

A: No
****
Q: This is an assault not only on individual doctors but on the rights and liberties of all Americans. Last week the FBI joined Canadian authorities to (investigate) a series of unsolved sniper shootings of doctors in Canada and western New York dating to 1994.
Verb: investigate

A: No
****
Q: " Terrorism is inconsistent with our African history, our tradition, our culture and our beliefs, " he said. " Americans and Africans (need) to strengthen their cooperation in this universal battle " against terrorism.
Verb: need

A:
No
****