Instruction: Evaluate the relevance of each product title in the input to the given query, and then sort the products in descending order of relevance, placing the most relevant product at the top of the ranked list.

Input:
Query: 2 1/2 inch trailer hitch
Product list:
A: CURT 45902 Adjustable Trailer Hitch Ball Mount, 2-1/2-Inch Receiver, 6-Inch Drop, 2 and 2-5/16-Inch Balls, 20,000 lbs , Black
B: MICTUNING 2-1/2 Inch Class V to 2 Inch Class III and IV Trailer Hitch Receiver Adapter Reducer 2.5 Inches to 2 Inches Sleeve Convertor
C: Uriah Products Aluma-Tow 6" Drop Ball Mount for 2" Receiver (UT623410)
Answer: A,C,B