Instruction: Answer yes if the product is a substitute for the query and no otherwise.

Input:
Query: pillow covers 18x18 bedroom
Product: HOMFINER Faux Leather Throw Pillow Covers, 18 x 18 inch Set of 2 Thick Cognac Brown Modern Solid Decorative Square Bedroom Living Room Cushion Cases for Couch Bed Sofa
Answer: no