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: chicco keyfit 30 infant car seat newborn insert
Product list:
A: GoFit Backless Booster Car Seat - Shark 15x17x5 Inch (Pack of 1)
B: Chicco KeyFit Infant Car Seat Base - Anthracite
C: Chicco KeyFit 35 Infant Car Seat - Onyx, Black
D: Chicco Fit2 Air Infant & Toddler Car Seat - Marina, Grey/Blue
Answer: D,C,B,A