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.

Example Input: Context: In the first eigth final #LaRoja will face the #Selecao today! Which team will suceed? #WorldCup #Brazil #BRAvsCHI Liebherr Group (@Liebherr) June 28, 2014 Question: who will laroja face today? Answer: selecao.
Example Output: yes

Example Input: Context: This is key: @DrFriedenCDC says viral hemorrhagic fever has never been transmitted in the USA. Our health system can isolate. Mark Leon Goldberg (@MarkLGoldberg) September 30, 2014 Question: did these people love this person? Answer: our hearts literally hurting
Example Output: no

Example Input: Context: Heavy gunfire & explosions inside the university. I met Anastacia at the airstrip with serious gunshot wounds. Dennis Okari (@DennisOkari) April 2, 2015 Question: who did h meet at the airstrip? Answer: anastacia
Example Output:
yes