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: 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
[EX A]: yes

[EX Q]: Context: HMS Lancaster, known as the 'Queen's Frigate', sent a message of congratulations to @KensingtonRoyal on the new birth Royal Navy (@RoyalNavy) May 2, 2015 Question: what is the hms lancaster known as? Answer: the queen's frigate
[EX A]: yes

[EX Q]: Context: Thank you Hind Al Fayez for implementing your presence in the parliament,for unlocking your voice & rejecting to b silent #هند_الفايز— Haneen Amireh (@MissAMIREH) December 7, 2014 Question: who is @missamireh thanking? Answer: hind al fayez
[EX A]:
yes