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.

Context: Scary moment we #CHI fans just broke down a barrier and stormed stadium. Sam Laird (@samcmlaird) June 18, 2014 Question: what state had an occurrence with a skywriter? Answer: iowa
no

Context: History is made! #MontrealProtocol countries agree to curb powerful greenhouse gases in largest climate breakthrough since Paris. 🌍🌎🌏 UN Environment (@UNEP) October 15, 2016 Question: what did @montrealprotocol countries agree to? Answer: curb greenhouse gases
yes

Context: California-based U.S. Marine helicopter crashes, two fatalities. Our hearts go out to the families of the Marines. MCAS Miramar, 3rdMAW (@MCASMiramarCA) January 24, 2015 Question: what nationality are the author's kids? Answer: british.

no