Task: Query_Product_Rank
Instruction: Evaluate each product title in the given list, assess its relevance to the given query, and then arrange the products in descending order of relevance, with the most relevant product at the top of the ranked list.

Input:
Query: rehnand knee sleeves powerlifting
Product list:
A: Knee Sleeves 7mm (1 Pair) - High Performance Knee Sleeve Support For Weight Lifting, Cross Training & Powerlifting - Best Knee Wraps & Straps Compression - For Men and Women (Black/Red, Large)
B: Rehband Rx Elbow Support 5mm - XLarge - Camo - Tennis Elbow and Golfers Elbow Brace - Neoprene Elbow Sleeve for Weightlifting and Crossfit  Support for Elbow Pain & Tendonitis - 1 Sleeve
C: Rehband Power Line Knee Support 7790 7mm - Small - Black/Gray - Knee Compression Sleeve - Adjustable ACL Knee Brace for Running, Power Sports & Powerlifting - Provides Stability & Comfort - 1 Sleeve
Answer: C,A,B