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: poly vi sol multivitamin infant without iron
Product list:
A: Liquid Vitamins for Kids - Multivitamins for Kids - Best Immune System Support for Children, Great Tasting Children's Vitamins
B: Enfamil Fer-In-Sol Iron Supplement Drops for Infants & Toddlers, Supports Brain Development, 50 mL Dropper Bottle, Pack of 3
Answer: A,B