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: Worth saying again: it is DRY dry out here. Lots of fields like this. Plowing the dust. #endangeredriver #cadrought John D. Sutter (@jdsutter) June 19, 2014 Question: what is john's concern about california? Answer: that they're having a major drought.
Example Output: yes

Example Input: Context: With my big sister Rebecca. I truly have the most incredible family and I am forever grateful for them. Gina Rodriguez (@HereIsGina) January 8, 2017 Question: what is this person grateful for? Answer: family and friends support.
Example Output: yes

Example Input: Context: I worked hard with Bill Ford to keep the Lincoln plant in Kentucky. I owed it to the great State of Kentucky for their confidence in me!— Donald J. Trump (@realDonaldTrump) November 18, 2016 Question: who did donald trump work with to keep the plant? Answer: bill ford
Example Output:
yes