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.

Example Input: Context: Plugged in source says 90 percent chance @KingJames returns to #Cavs, & it'll be announced on 0: Chris Sheridan (@sheridanhoops) July 8, 2014 Question: which site will announce if king james is returning to the cavs? Answer: lebronjames.com
Example Output: yes

Example Input: Context: Won my FIRST gold medal ever at the games!! have no words to describe this feeling. Thanks for all the wonderful support!!!!!!— Tatyana McFadden (@TatyanaMcFadden) Sep 3, 2012 Question: who is going to yorkshire? Answer: tour de france
Example Output: no

Example Input: Context: We here at @united are just trying to police the attire of the daughters of our employees! That's all! Cool, right? Seth Rogen (@Sethrogen) March 26, 2017 Question: what hashtags are used for true blood on twitter? Answer: #truebloodfinale, #trueblood
Example Output:
no