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.

Input: Consider Input: Context: PM: "I'm delighted by the news that the Duke & Duchess of Cambridge are expecting a baby. They will make wonderful parents." #royalbaby UK Prime Minister (@Number10gov) December 3, 2012 Question: is this clothing warmer or colder? Answer: warmer

Output: no

Input: Consider 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

Output: no

Input: Consider Input: Context: Me: I think I'm actually going to go hang out with friends tonightTwitter: Kylie Jenner is pregnant Me: Caroline (@Sabrinaxari) September 22, 2017 Question: what did the tweeter post that they were going to do tonight? Answer: hang out with friends.
Output: yes