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: backpacking sleeping pad thermarest
Product list:
A: Therm-a-Rest Prolite Ultralight Self-Inflating Backpacking Pad, Standard Valve, Regular - 20 x 72 Inches
B: Therm-a-Rest RidgeRest SOLite Reflective Foam Camping Ground Pad, Regular - 20 x 72 Inches
Answer: A,B