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: 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
Example Output: no

Example Input: Context: Praying for everyone at Georgia Southern and the families who lost loved ones. So unbelievable and my heart goes out.— Luke Bryan (@LukeBryanOnline) April 23, 2015 Question: what is the alarm at skinner middle school? Answer: students ingesting marijuana
Example Output: no

Example Input: Context: Vladimir #Putin: I offer New Year greetings to President Obama & his family, also to President-elect @realDonaldTrump & the American people! РоссиЯ 🇷🇺 (@Russia) December 30, 2016 Question: who offered new year greetings? Answer: vladimir putin
Example Output:
yes