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: kids bit fit watch
Product list:
A: LETSCOM Fitness Tracker HR, Activity Tracker Watch with Heart Rate Monitor, Waterproof Smart Fitness Band with Step Counter, Calorie Counter, Pedometer Watch for Women and Men
B: MorePro Fitness Tracker Waterproof Activity Tracker with Heart Rate Blood Pressure Monitor, Color Screen Smart Bracelet with Sleep Tracking Calorie Counter, Pedometer Watch for Kids Women Men
Answer: B,A