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.

Example Input: 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
Example Output: no

Example Input: Context: Im giving everyone involved 24 hours to make it right or the world will hear how I really feel. contactually Im not allowed to speak!— Kelly Osbourne (@KellyOsbourne) February 24, 2015 Question: what is the dog's name? Answer: elka
Example Output: no

Example Input: Context: I think Kacey Musgraves forgot her pants in this Minnie Pearl/Katy Perry getup. Brian Truitt (@briantruitt) November 5, 2015 Question: what was she wearing? Answer: minnie pearl/katy perry getup
Example Output:
yes