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: @klustout make it quick. drop it in the tub. better for both of you...— Bill Bishop (@niubi) September 24, 2013 Question: where were some victims from? Answer: council bluffs, iowa

Output: no


Input: Consider Input: Context: “Without courage, we cannot practice any other virtue with consistency.” -The courageous & inimitable Dr Maya Angelou John Conyers (@repjohnconyers) May 28, 2014 Question: what can we not practice without courage? Answer: any other virtue with consistency.

Output: yes


Input: Consider Input: Context: Ken Rosenthal @Ken_RosenthalSources: #Braves close to acquiring 2B Brandon Phillips from #Reds.2/12/2017, 4:24:30 AM Question: does ken rosenthal mention where he received his information? Answer: it is just listed as "sources".


Output: yes