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: I am looking to purchase a black leather biker jacket, which has to be real leather
Product: Fairylinks Men's Casual Faux Leather Jacket, Black, X-Large
Answer: yes