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: Google puts its best designer in charge of Google Glass, its biggest design problem. Nicholas Thompson (@nxthompson) January 15, 2015 Question: who did google put in charge of google glass? Answer: tony fadell

Output: yes

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: @NikeMiddleEast 😂 MACHETE (@Machete511) February 18, 2017 Question: who is this a reply to? Answer: nikemiddleeast
Output: yes