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.

Ex Input:
Context: Pres Obama recited poem on Bradlee by Sen Moynihan: “O rare Ben Bradlee/His reign has ceased/But his nation stands/Its strength increased.”— Mark Knoller (@markknoller) October 22, 2014 Question: who is a total loser? Answer: karl rove

Ex Output:
no


Ex Input:
Context: The llama chase reminds me of story when I worked in Columbus. Wayward llama was killed by hit and run driver. We called it the llamacide.— Steve Brusk (@stevebruskCNN) February 26, 2015 Question: which kind of animal was killed? Answer: a llama

Ex Output:
yes


Ex Input:
Context: Ken Rosenthal @Ken_RosenthalPhillips injury, however, not considered major. Again, told deal is close. @ZachENQ noted hurdles.2/12/2017, 4:50:27 AM Question: what is the state of the deal? Answer: it is close.

Ex Output:

yes