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: flash lunch boxes for boys
Product list:
A: Lunch Box Notes for Kids  Value Pack of 180 Educational Lunch Box Notes- Kindergarten or School - Lunch Notes Learning Flash Cards - School Lunch Accessories for Kids
B: Bentgo Kids Prints (Space Rockets) - Leak-Proof, 5-Compartment Bento-Style Kids Lunch Box - Ideal Portion Sizes for Ages 3 to 7 - BPA-Free and Food-Safe Materials
Answer: B,A