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: mouthguard toothbrush for adults
Product list:
A: Koala Lifestyle Denture Cleaner Brushes with Covers | Cleaning Toothbrush for Dentures, False Teeth, Night Guards for Teeth Grinding, Dental Devices, and Mouth Guards | 3 Pieces, White / Blue
B: 4 Pack Kids U Shaped Toothbrush with Silicone Brush Head Whitening Massage Toothbrush U-Type Toothbrush Whole Mouth Toothbrush with Handle for Kids (Fresh Colors,Simple Style)
Answer: A,B