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: lemme tell you about louisville weather... now: 86% humidity tonight: flash flood tomorrow: 7-10 inches of snow— marissa pantoja (@marissapantoha) March 3, 2015 Question: what is forecasted for tonight? Answer: flash  flood

Ex Output:
yes


Ex Input:
Context: Hey everybody, thanks for your concern. We're all safe & doing well in the Russian segment. Follow @Nasa for updates on @Space_Station today— Sam Cristoforetti (@AstroSamantha) January 14, 2015 Question: who balked on conditions? Answer: munchak

Ex Output:
no


Ex Input:
Context: Howard Beck @HowardBeckNBA fines Wizards, and Sidney Lowe, for last night's endgame shenanigans. , 12:26:04 AM Question: why does the nba assign a fine? Answer: for shenanigans.

Ex Output:

yes