instruction:
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.
question:
Context: Boom, boom, BOOM! Katy Perry broke the halftime show record with 118.5 million viewers. The game had a record 114.4M Brian A. Hernandez (@BAHjournalist) February 2, 2015 Question: how many viewers did the halftime show have? Answer: 118.5 million.
answer:
yes

question:
Context: UPDATE: The #Dignity1 and #Argos are on the way to the #SAR zone whilst the #Aquarius heads to restock in #Trapani. MSF Sea (@MSF_Sea) May 27, 2016 Question: what are on their was to the sar zone? Answer: dignity1 and argos
answer:
yes

question:
Context: This is not normal. This is not fake news. This is a very real & serious threat to the national security of the United States. Elizabeth Warren (@SenWarren) March 2, 2017 Question: what does elizabeth warren think is not fake news? Answer: threat to the united states
answer:
yes