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: "Same thing basically." -the Pepsi ad wizards who came up with this one Joanna Robinson (@jowrotethis) April 4, 2017 Question: what are the pepsi ad wizards say? Answer: same thing basically
Example Output: yes

Example Input: Context: @jtimberlake @iJesseWilliams Did you like the part when Jesse talked about white people stealing from us? That should resonate with you.— sockruhtese (@sockruhtese) June 27, 2016 Question: which site does zeffreen direct readers to? Answer: his facebook page; fb.me/6opkzwltp
Example Output: no

Example Input: Context: MY PICTURE OF PRINCES WILLIAM AND HARRY WITH THEIR FATHER THE PRINCE OF WALES. #FATHERANDSONDAY @KensingtonRoyal Mario Testino (@mariotestino) June 29, 2015 Question: who is with prince william and harry in this picture? Answer: their father
Example Output:
yes