Instruction: Given a question and its related document, determine if the question is answerable by analyzing the information in the document. Output yes if the document addresses the question, or no otherwise.

Input:
Question: Can these be mounted on an existing shelf rather than the floor
Document: I chose this product because the mounting brackets fit my application perfectly. It worked like a charm, easy to assemble, (I am as much of a beginner to this sort of thing as they come) and I love having a drawer in the cabinet! A bit pricey but I got my money's worth.
Answer: no