Instruction: Rank the products A, B, C, ... based on their relevance to the provided query, and produce a ranked list with the most relevant product positioned at the top of the list.

Input:
Query: math puzzles for kids ages 4-8
Product list:
A: The Everything Kids' Math Puzzles Book: Brain Teasers, Games, and Activities for Hours of Fun
B: Bedtime Math: A Fun Excuse to Stay Up Late (Bedtime Math Series)
Answer: A,B