TASK DEFINITION: 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.
PROBLEM: Context: US talks w/Saudi medieval regime, a stigma that won't be cleaned off US, on human rights of Iran--a country which is symbol of democracy! Khamenei.ir (@khamenei_ir) June 12, 2017 Question: what sport did tweet refer to? Answer: tennis

SOLUTION: no

PROBLEM: 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

SOLUTION: yes

PROBLEM: Context: ✨ #Si2 took off this morning from JFK @NY_NJairports #NYC at 2:30AM EDT, relive it here: SOLAR IMPULSE (@solarimpulse) June 20, 2016 Question: what isn't the free market Answer: what's happening to memoriespizza

SOLUTION:
no