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: bjorn bouncer
Product list:
A: BABYBJORN Transport Bag for Bouncer, Black
B: BABYBJORN Bouncer Bliss, Mesh, Gray
C: Ergobaby Omni 360 All-Position Baby Carrier for Newborn to Toddler with Lumbar Support (7-45 Pounds), Pearl Grey
Answer: B,A,C