You will be given a definition of a task first, then some input of the task.
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.

In a touch of symbolism, the ceremony took place at the Harry S. Truman Library. It was during the Truman presidency that the North Atlantic Treaty Organization was founded to halt the westward (spread) of Soviet-led communism.  
 Verb: spread
Output:
No