Definition: 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: Context: Just more proof this is about submission. We were told for months Trump didn't need Cruz, but when he doesn't endorse they go apoplectic.— Brian Phillips (@RealBPhil) July 21, 2016 Question: who did trump not need? Answer: cruz

yes