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: 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

Output: yes


Input: Consider 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

Output: yes


Input: Consider Input: Context: FACTS you need to know about the "Largest Sewage Spill in a Decade" #SanDiego #Tijuana #cleanwaternow #sewagespill! WILDCOAST (@WILDCOAST) March 2, 2017 Question: what sporting event has a tv deal? Answer: fox world cup


Output: no