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: sleep harmony pillow youth
Product list:
A: Bedgear Hypoallergenic Balance Performance Pillow  Size 3.0  Moisture Wicking Pillow with Washable, Removable Cover and Great for Back, Side, and Stomach Sleepers
B: I AM The Large Boomerang Pillow, (Pack of 1), White
C: Aloudy Memory Foam Toddler Pillow, Organic Cotton Cover, Breathable Kids Pillow 20 x 12(10) x 2(2.5) for 2-10 Years Old Children(Blue)
Answer: B,A,C