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: Police form circular wall. Reports of flag burning planned outside convention. Firefighters on scene # Tolly Taylor (@TollyTaylor) July 20, 2016 Question: what is planned outside the convention? Answer: flag burning

A: yes
****
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

A: yes
****
Q: Context: Incognito's lawyer: "Mr. Wells' NFL report is replete with errors. ... It is disappointing that Mr. Wells would have gotten it so wrong."— Tom Pelissero (@TomPelissero) February 14, 2014 Question: who is retiring in 2015? Answer: @letterman

A:
no
****