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.

Input: Consider Input: Context: LeBron James is returning to the Cleveland Cavaliers, a source tells uuu. @KingJames #LeBronToClev Chris Sheridan (@sheridanhoops) July 9, 2014 Question: which sources says lebron james is returning to cleveland? Answer: sheridanhoops.com

Output: yes

Input: Consider Input: Context: In an intense and stressful moment, I allowed my emotions to get the best of me and said some insulting and (cont) Britt McHenry (@BrittMcHenry) April 16, 2015 Question: how much trouble does carly fiorina have coming back from commercial pauses? Answer: zero

Output: no

Input: Consider Input: Context: Classes at Bayside High are canceled for tomorrow. Screech will still be having the prom meeting in the afternoon. MayorMark (@MayorMark) March 4, 2015 Question: what school classes are cancelled ? Answer: classes at bayside high
Output: yes