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: Last ever appearance at Old Trafford as a Manchester United player? Ryan Giggs brings himself on with 20 mins to go Mark Pougatch (@markpougatch) May 6, 2014 Question: how would you describe fashion week look no.17? Answer: gambia noir.
Example Output: no

Example Input: Context: Non-fasting training Day 2 #GutsHeartGlory these girls are working hard @AmbreenSadiq going for it Common Wealth (@Common_WealthHQ) August 1, 2014 Question: how many us presidents did he take a selfie with? Answer: three
Example Output: no

Example Input: Context: This is not normal. This is not fake news. This is a very real & serious threat to the national security of the United States.— Elizabeth Warren (@SenWarren) March 2, 2017 Question: what did help me to be empowered? Answer: lovely message of support
Example Output:
no