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: @RalphLauren My relatives were taught that our cultures had no value in the era you glorify! #StopCulturalGenocide #BoycottRalphLauren Emmy Scott (@EmmyNawjoopinga) December 18, 2014 Question: who's relatives were taught their cultures had no value? Answer: emmy scott
Example Output: yes

Example Input: Context: Non-fasting training Day 2 #GutsHeartGlory these girls are working hard @AmbreenSadiq going for it Common Wealth (@Common_WealthHQ) August 1, 2014 Question: how many us presidents did he take a selfie with? Answer: three
Example Output: no

Example Input: Context: taylor.boards.net (@TSfanforum) November 15, 2017 Question: who did ryan owens beat at a game of beer pong at ces 2015? Answer: a robot
Example Output:
no