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 Q]: Context: The estrogen has now hit critical mass! Good luck, @daxshepard1. And welcome to the world DELTA BELL SHEPARD :) Kristen Bell (@IMKristenBell) December 20, 2014 Question: who does kristen bell wish good luck to? Answer: @daxshepard1
[EX A]: yes

[EX Q]: Context: MY PICTURE OF PRINCES WILLIAM AND HARRY WITH THEIR FATHER THE PRINCE OF WALES. #FATHERANDSONDAY @KensingtonRoyal Mario Testino (@mariotestino) June 29, 2015 Question: what type of zone is someone in if you don't return their feelings? Answer: friend
[EX A]: no

[EX Q]: Context: We see you @Beyonce standing up with your @slurpee up, putting up with your Slurpee up. #711 7-Eleven, Inc. (@7eleven) November 21, 2014 Question: what is the tweet advertising? Answer: slurpie
[EX A]:
yes