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 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.

There were 12 original members of NATO at the time of its founding. Since 1949, it has been (expanded) to include Greece and Turkey in 1952, Germany in 1955 and Spain in 1982.  
 Verb: expanded
Output:
No