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.

Context: When you walk down the street and see your ex 9GAG (@9GAG) February 2, 2015 Question: who posted this tweet with this picture? Answer: 9gag
yes

Context: Star Wars: The Force Awakens has completed principal photography. #StarWarsVII #TheForceAwakens — Star Wars (@starwars) November 6, 2014 Question: who explains what figured in clock move? Answer: science and security board
no

Context: I think the litmus test for brands should be if would it work if the roles are reversed. #absurd, isn't it? #BIC JanetBr (@janetbr) August 11, 2015 Question: how does the author describe role reversal? Answer: absurd.

yes