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: Félicitations @AS_Monaco ! On se voit peut être en 1/4 de finale pour un nouveau #SommetdElegance #ASMARS ;-) PSG Officiel (@PSG_inside) March 17, 2015 Question: who posted this tweet? Answer: psg officiel
Example Output: yes

Example Input: Context: And so its goes, thank goodness with the best in Washington, Dr. Neil Starr! Alan P. Gross (@AlanPGross) February 16, 2015 Question: where is alan p. gross? Answer: washington
Example Output: yes

Example Input: Context: Would you rock Beyonce's top-to-toe pizza outfit? We think it's the tastiest she's looked in years... Chicago Town (@chicagotown) September 11, 2015 Question: how long did aminu timberlake waited for an apology? Answer: 20 years
Example Output:
no