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: exo knee
Product list:
A: 5.11 Tactical Exo.E1 Elbow Pad Black
B: Lixada Knee Brace Support, 1 Pair Sport Spring Knee Strap Mountain Climbing Running Knee Booster Knee Pad Knee Joint Protection Kneecare Pad
Answer: A,B