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: replacement backing for samsung galaxy s7
Product list:
A: HDCKU Battery Replacement Kit for Samsung Galaxy S7 SM-G930 (EB-BG930ABE) with Full Repair Tools and Instructions
B: Bonafide Hardware - Replacement Part for Galaxy S7 / S7 Edge Camera Glass Lens (Glass Only)
Answer: B,A