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: alexa app for echo dot setup
Product list:
A: Weapon sounds (FREE)
B: Commands for Alexa
C: User for Amazon Echo Dot
Answer: C,B,A