Instruction: Given a query and a product, identify if the product is somewhat relevant to the query. It fails to fulfill some aspects of the query but the product can be used as a functional substitute. Only output yes or no.

Input:
Query: back roller for cracker
Product: 5BILLION FITNESS Peanut Massage Ball - Double Lacrosse Massage Ball & Mobility Ball for Physical Therapy - Deep Tissue Massage Tool for Myofascial Release, Muscle Relaxer, Acupoint Massage
Answer: yes