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: gfuel without caffeine
Product: Optimum Nutrition Amino Energy + Collagen Powder - Pre Workout, Post Workout Muscle Recovery Energy Powder with Amino Acids, Vitamin C for Immune Support - Fruit Fiesta, 30 Servings
Answer: yes