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: toddler camelback backpack
Product list:
A: Osprey Packs Kid's Moki 1.5 Hydration Pack, Grasshopper Green
B: CamelBak Mini M.U.L.E. Kids Hydration Backpack, 50 oz, Atomic Blue/Navy Blazer
C: Mubasel Gear Insulated Hydration Backpack Pack with 2L BPA Free Bladder - Keeps Liquid Cool up to 4 Hours  for Running, Hiking, Cycling, Camping (Purple)
Answer: B,C,A