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: Best bar banner ever? Likely. Check it out, @BroBible. #brotips Fireball Whisky (@FireballWhisky) January 30, 2015 Question: just wait till who gets home? Answer: your father

Ex Output:
no

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: Safety first @FCBayernEN pair @XabiAlonso and Pepe Reina enjoy the solar eclipse with proper eyewear (via @PReina25) Bundesliga (@Bundesliga_EN) March 20, 2015 Question: what does he want him to do? Answer: get back to work

Ex Output:
no