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 Q]: Context: It's the Ides of March. Oh boy. Lettuce eat Caesar Salads. 😉— Brian (@revolution1913) March 15, 2016 Question: what is the causal problem? Answer: obamacare payments
[EX A]: no

[EX Q]: Context: Thank you to @Marvel for sending gifts for our patients. They were thrilled to receive them! Seattle Children's (@seattlechildren) March 8, 2015 Question: how old was the child when his dad was deported? Answer: 3 years old
[EX A]: no

[EX Q]: Context: @Maisie_Williams Hi Maisie, Sorry you where denied. It's due to the complimentary alcohol available, we can only admit passengers over 18yrs— British Airways (@British_Airways) July 20, 2014 Question: what profession was the prize for? Answer: journalism
[EX A]:
no