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: Ken Rosenthal @Ken_RosenthalSource: Hurdles remain in Phillips talks between #Braves and #Reds. BP must be cleared medically. Injured left hand near end of last season.2/12/2017, 4:50:26 AM Question: what did bp injure last season Answer: left hand

Ex Output:
yes


Ex 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

Ex Output:
no


Ex Input:
Context: Kraft says he is "disappointed" in how this matter had been handled. Pretty strong coffee from him. The stakes are ratcheted up— Jason La Canfora (@JasonLaCanfora) January 27, 2015 Question: what type of shaking is happening? Answer: scary

Ex Output:

no