Instruction: Rank the products A, B, C, ... based on their relevance to the provided query, and produce a ranked list with the most relevant product positioned at the top of the list.

Input:
Query: 50 shades of grey
Product list:
A: 50 Nuances de Grey (French version of 50 Shades of Grey) (French Edition)
B: Grey: Fifty Shades of Grey as Told by Christian (Fifty Shades as Told by Christian Book 1)
Answer: A,B