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.

[Q]: 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
[A]: yes


[Q]: 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
[A]: yes


[Q]: Context: I met this sweet, generous & brilliant man Robin Williams in 1991. Here we are with HIS idol Jonathan Winters. #RIP Kathy Griffin (@kathygriffin) August 11, 2014 Question: who did kathy griffin meet in 1991? Answer: robin williams
[A]:
yes