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.

Q: Context: Fine, Regina. But on Thursday we wear Purple. #SpiritDay (join me to support LGBT youth tomorrow). Reggie Aqui (@reggieaqui) October 16, 2014 Question: what will they do to support lgbt youth? Answer: wear purple on thursday

A: yes
****
Q: Context: .The United States is raising this unprofessional incident with Russia in the appropriate diplomatic and official channels. 2/2— U.S European Command (@US_EUCOM) April 11, 2015 Question: what is the united states doing Answer: raising this unprofessional incident with russia

A: yes
****
Q: Context: Missing, now rescued, sailor Louis Jordan walks into Sentara Norfolk. Missing more than 60 days off coast. @WAVY_News Liz Palka (@lizpalka) April 2, 2015 Question: how many days was louis jordan missing? Answer: more than 60

A:
yes
****