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: “Without courage, we cannot practice any other virtue with consistency.” -The courageous & inimitable Dr Maya Angelou John Conyers (@repjohnconyers) May 28, 2014 Question: what can we not practice without courage? Answer: any other virtue with consistency.
Example Output: yes

Example Input: Context: RIP PHIFE. DRINKING A DR PEPPER FOR U RIGHT NOW. Mac (@MacMiller) March 23, 2016 Question: what is andrew garfield being described as? Answer: gay
Example Output: no

Example Input: Context: We can see that's your thumb moving that fake baby's hand, Bradley Cooper... #AmericanSniper EntertainmentTonight (@etnow) January 20, 2015 Question: who won the match between nadal and smyczek? Answer: nadal
Example Output:
no