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: leapfrog learning friends 100 words book
Product list:
A: LeapFrog 100 Words and 100 Animals Book Set (Frustration Free Packaging)
B: BEST LEARNING Stack & Learn - Educational Activity Toy for Infants Babies Toddlers for 6 Month and up - Ideal Baby Toy Gifts
C: LeapFrog Phonics Fun Animal Bus , Yellow
Answer: A,B,C