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: pool scum balls
Product: 10 Pieces Spa Eliminating Ball Hot Tub Scum Eliminating Ball Pool Reusable Filter Sponge Ball Oil Absorbing Sponge Ball for Swimming Pools Bathtubs Spas Cleaning Dirt
Answer: no