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 Q]: Context: Attacks on @potus for statement on #NorthKoreaNukes are ridiculous.They act as if #NorthKorea would act different if he used nicer words 2/4 Marco Rubio (@marcorubio) August 10, 2017 Question: why is potus being attacked? Answer: for statement on north korea nukes
[EX A]: yes

[EX Q]: Context: I thought I was hallucinating just now when I saw a broomstick coming towards me but it was just Joseph O'Brien. That guy needs a sandwich. Australia (@Australia_Horse) August 20, 2014 Question: what did @austrailia_horse hallucinate? Answer: a broomstick
[EX A]: yes

[EX Q]: Context: To be more precise, no less than five police officers at LeBron James home. They were told to expect a 3:30 ET announcement. Sam Amico (@SamAmicoFSO) July 10, 2014 Question: what is the message supporting? Answer: nswfires
[EX A]:
no