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.

Example Input: Context: Warmer gear, check! This thing hooks right onto the boat. Called a skirt #endangeredriver John D. Sutter (@jdsutter) July 4, 2014 Question: what is the thing that hooks on the boat called? Answer: a skirt
Example Output: yes

Example Input: Context: #PLL guy Toby (@KeeganAllen) says he deserves Spencer (@SleepintheGardn): true love. Yeah, get wins # USA TODAY Life (@usatodaylife) June 16, 2016 Question: who says he deserves spencer? Answer: toby
Example Output: yes

Example Input: Context: LOOK at how Hillary is looking at Mary! ᴅᴏʟʟᴀʀ (@callmedollar) September 27, 2016 Question: what kind of ranger is pharell becoming? Answer: park
Example Output:
no