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: CS #Nkaisserry & PS #AmbJuma have lunch with the evacuated passengers at Travelers beach hotel. #SecureKE InteriorCNG Ministry (@InteriorKE) December 20, 2015 Question: who is having lunch? Answer: evacuated passengers

yes