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.

Ex Input:
Context: Why in this day in age do we rely on the physical recovery of black boxes? Flight data should be continuously streamed to the cloud #8501qs— Jacob Rossi (@jacobrossi) December 29, 2014 Question: who had to break through the ice in lake michigan Answer: cutter hollyhock

Ex Output:
no


Ex Input:
Context: YES! I already admired #CATWOMAN so much (my first favorite female comic character) and what just happened in Issue 39 makes me so happy!— Catrina Dennis (@ohcatrina) February 26, 2015 Question: what issue makes catrina so happy Answer: 39

Ex Output:
yes


Ex Input:
Context: "The truth ... is that Jonathan Martin was never bullied by Richie Incognito or any member of the Dolphins Offensive line."— Tom Pelissero (@TomPelissero) February 14, 2014 Question: how many boys were strong and stayed? Answer: four

Ex Output:

no