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.
Input: Diplomacy appears to be making headway in resolving the united nation's standoff with Iraq. A UN spokesman says UN secretary general Kofi Annan is on the verge of a breakthrough, but added it's not (done) yet.  
 Verb: done
Output:
Yes