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: Oh God. Vegas. WTF is happening. Can't keep up with all the pain this country is facing. Sending love to Vegas.— bob saget (@bobsaget) October 2, 2017 Question: what is he sending to vegas? Answer: love
Example Output: yes

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 morning, I am formally announcing an investigation into the Flint water crisis. A.G. Bill Schuette (@SchuetteOnDuty) January 15, 2016 Question: why are they investigating? Answer: to make sure they didn’t break any laws
Example Output:
yes