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.

Ex Input:
Context: You can't really look at tonight's results and conclude that Democrats are anything other than the current favorites to pick up the U.S. House in 2018.— Dave Wasserman (@Redistrict) November 8, 2017 Question: what year are they expected to pick up seats in the house? Answer: 2018

Ex Output:
yes


Ex Input:
Context: See which new faces will be gracing the @NYFW runways this season... #NYFW# IMG Models (@IMGmodels) September 6, 2017 Question: who are the thoughts & prayers for? Answer: family of maurice white

Ex Output:
no


Ex Input:
Context: Kurt Helin @basketballtalkReport: Timberwolves, Pistons discussing Ricky Rubio for Reggie Jackson trade , 2:16:08 AM Question: who is discussing ricky rubio? Answer: timberwolves, pistons

Ex Output:

yes