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: Google puts its best designer in charge of Google Glass, its biggest design problem. Nicholas Thompson (@nxthompson) January 15, 2015 Question: who did google put in charge of google glass? Answer: tony fadell

Ex Output:
yes

Ex Input:
Context: Cyclone Pam literally blew the bathroom off Jinita Sandy's house. Family's ok, but now sleeping in a church #Vanuatu Ivan Watson (@IvanCNN) March 16, 2015 Question: whose win was being celebrated, by changing the color of the la gazzetta to yellow? Answer: nibali 's win

Ex Output:
no

Ex Input:
Context: Looks like I missed some goings-on in the other series tonight. #MessageSending #Truculence #MANLYMEN Mark Lazerus (@MarkLazerus) April 18, 2015 Question: looks like mark missed what in the other series tonight? Answer: goings-on

Ex Output:
yes