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: campbell biology 11th edition
Product list:
A: Campbell Biology (10th Edition)
B: Campbell Biology Plus Masteringbiology
Answer: B,A