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.

Ex Input:
Slepian was shot in the back on Friday night as he stood in his kitchen. No suspects have been (identified).  
 Verb: identified

Ex Output:
Yes


Ex Input:
But under new terms of the agreement, announced Friday, LIN holders would receive a special cash dividend of $42 a share, representing a payout of about $2.23 billion, shortly before the proposed merger. LIN said it expects to borrow the money to pay the dividend, but commitments from banks still have n't been (obtained).  
 Verb: obtained

Ex Output:
Yes


Ex Input:
Dow Jones said it extended the offer to allow shareholders time to review a supplement to the Dow Jones tender offer circular that it mailed last Friday. The supplement contains various information that has been filed with the Securities and Exchange Commission since Dow Jones launched the offer on Sept. 26, but it does n't (change) the terms and conditions of the offer except to extend its expiration date.  
 Verb: change

Ex Output:

Yes


