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.

Ex Input:
Context: @Charlie_Hebdo_ I'm a cartoonist for The New Yorker. I'd be honored to donate cartoons for next week's issue.— Liam Francis Walsh (@liam_f_walsh) January 8, 2015 Question: what is the users job? Answer: a cartoonist

Ex Output:
yes


Ex Input:
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

Ex Output:
yes


Ex Input:
Context: Not completely sure what this means for the Dolphins organization. New GM, Brian Gaine stepping up. If Joe Philbin is safe. Don't know NOW.— Omar Kelly (@OmarKelly) January 07, 2014 Question: what position in the dolphins organization has changed Answer: the general manager

Ex Output:

yes