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: How often do you need to wash it?  How do you clean it?
Document: Thankful
OMG super
I've only had it a few weeks but it seems like it is working fine. I recommend this product. It will save money over time.
Built sturdily, it fit perfectly. The change in air quality was immediate, I waited a couple of days just to make sure, and difference is quite noticeable. Love it, Love it, Love it, Definitely worth finding, a definite buy, just read the specs, Thank You Air Care!
Answer: no