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.
Input: Context: .@smsaideman fulfils his unbreakable vow & receives my "Best Security Article" award at #ISA2017 after I could not attend due to #MuslimBan. C — Aisha Ahmad (@ProfAishaAhmad) February 25, 2017 Question: why couldn't aisha ahmad go to the awards? Answer: because of the muslim ban

yes