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: bed of nails puzzles
Product list:
A: ProsourceFit ProSource Acupressure Mat and Pillow Set for Back/Neck Pain Relief and Muscle Relaxation, Black
B: innhom 24 Tiles Gym Mat Exercise Mat Puzzle Foam Mats Gym Flooring Mat Interlocking Foam Mats with EVA Foam Floor Tiles for Gym Equipment Workout Mat, 93 Square Feet
Answer: A,B