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: MT @HaertlG: #Canada #Ebola suspect tests NEGATIVE for Ebola, Marburg, Lassa, CCHF, RVF at Winnipeg BSL4 lab— WHO (@WHO) March 25, 2014 Question: what did the suspect test negative for? Answer: ebola, marburg, lassa, cchf,rvf

yes