Instruction: Rank the products A, B, C, ... based on their relevance to the provided query, and produce a ranked list with the most relevant product positioned at the top of the list.

Input:
Query: hearing aid wax guard
Product list:
A: 32-count Starkey Hear Clear Hearing Aid Wax Guards Filters by Hearing Aid Battery Club
B: Phonak Small Open Dome 4.0 for Marvel Hearing aids
Answer: A,B