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: Trump advisor Stephen Miller and CNN's Jim Acosta just got in an argument about the poem on the Statue of Liberty — BuzzFeed News (@BuzzFeedNews) August 2, 2017 Question: who does stephen miller advise? Answer: donald trump
Example Output: yes

Example Input: Context: Prince didn't even perform tonight and he owned the Grammys. Mashable (@mashable) February 9, 2015 Question: how many refugees were stuck? Answer: 100s
Example Output: no

Example Input: Context: And it's #Halep who will advance to the semifinals (her first SFs at RG), defeating #Kuznetsova 6-2, 6-2. #RG14 Roland Garros (@rolandgarros) June 4, 2014 Question: who did she defeat? Answer: kuznetsova
Example Output:
yes