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.

Input: Consider Input: Context: Boom, boom, BOOM! Katy Perry broke the halftime show record with 118.5 million viewers. The game had a record 114.4M — Brian A. Hernandez (@BAHjournalist) February 2, 2015 Question: who broke the half-time record for the super bowl? Answer: katy perry

Output: yes


Input: Consider Input: Context: Yay! Everyone is so wonderful and supportive of my shade! This might be a problem down the line. Thank you! #notmyjetthough #imnotthatfancy— Gabourey Sidibe (@GabbySidibe) January 14, 2014 Question: when might it be a problem? Answer: down the line

Output: yes


Input: Consider Input: Context: Incompetent Marilyn Mosby Appears On Stage With Prince - #BaltimoreRiots #SJW - Steven (@Right_NJ) May 11, 2015 Question: who did marilyn mosby appear on stage with? Answer: prince


Output: yes