Instruction: Given a query and a list of products denoted as A, B, C, ... with their titles, rank the products according to their relevance to the query. Output only a ranked list in which the most relevant product is at the top of the list.

Input:
Query: newborn boy costume halloween
Product list:
A: Funstuff Baby Boys Costume Coverall Footies with Hood 0-3 Months
B: InCharacter Puppy Love Infant/Toddler Costume, X-Small (0-6) Orange
Answer: A,B