Instruction: Given a question and the related document, predict if the question is answerable based on the information provided in the document. Output only yes or no.

Input:
Question: I have bought 2 pairs and they both broke and leaked sand within a few months, can u help?
Document: Love these! They are comfortable enough to leave on for extended amounts of time without feeling worn out after wards. Would recommend to anyone looking for a little extra tone.
Answer: no