instruction:
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.
question:
Context: Despite this, they claim without evidence I'm in cahoots with Russian intel. Everyone knows this is false, but let's examine their basis: Edward Snowden (@Snowden) December 22, 2016 Question: who posted this tweet? Answer: psg officiel
answer:
no

question:
Context: Happy Birthday Nelson Mandela. You teach us tolerance, forgiveness and simple kindness. #Saint Kim Engelbrecht (@kimengelbrecht) July 18, 2012 Question: whose's birthday is it? Answer: nelson mandela
answer:
yes

question:
Context: Protip: Don't give the Russians classified information. #Classified101 Martin Heinrich (@MartinHeinrich) May 15, 2017 Question: who was sanctioned after match 30 events? Answer: guinea
answer:
no