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: camping mattress lightspeed foam
Product list:
A: MalloMe Sleeping Pad Camping Air Mat  Inflating Mattress Bed for Backpacking Adults  Inflatable Ultralight Insulated Soft Foam Sleep Gear - Lightweight Travel Cot Roll Mats Accessories Blue
B: Lightspeed Outdoors XL Super Plush FlexForm Self-Inflating Sleep and Camp Pad, Teal
Answer: B,A