In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify given passage into two categories: (1) "yes" if the given context is useful in answering the question, and (2) "no" if the given context is not useful.

Q: Context: Committed to start drafting the comprehensive nuclear deal immediately. All will be served by a serious agreement based on mutual respect.— Javad Zarif (@JZarif) April 2, 2015 Question: what deal was being drafted Answer: the comprehensive nuclear deal

A: yes
****
Q: Context: Joe Biden's son ousted from the Navy for cocaine? If the son is like the father, that's a scary thought: think of Joe Biden. Now add cocaine— Bill Maher (@billmaher) October 18, 2014 Question: what branch of military was joe biden's son in? Answer: navy

A: yes
****
Q: Context: "This deal meets every single one of the bottom lines...we established when we achieved a framework earlier this spring" —@POTUS #IranDeal— The White House (@WhiteHouse) July 14, 2015 Question: what meets every one of the bottom lines? Answer: this deal.

A:
yes
****