Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Context: .@tomasberdych keeps SF qualification hopes alive at #FinalShowdown with 63 61 win over #Cilic ATP World Tour (@ATPWorldTour) November 12, 2014 Question: who did thomas berdych beat? Answer: cilic
Student:
yes