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: inficon tek mate
Product list:
A: INFICON D-TEK Select, Refrigerant Leak Detector, 712-202-G1
B: Inficon Compass, Refrigerant Leak Detector, 717-202-G1
Answer: B,A