Instruction: Evaluate the relevance of each product title in the input to the given query, and then sort the products in descending order of relevance, placing the most relevant product at the top of the ranked list.

Input:
Query: gentleman in moscow book
Product list:
A: Thalia Book Club: Amor Towles "A Gentleman in Moscow"
B: Summary: A Gentleman in Moscow - Summarized for Busy People: A Novel: Based on the Book by Amor Towles
C: A Gentleman in Moscow: A Novel
D: The Modern Library Collection Essential Russian Novels 4-Book Bundle
Answer: C,A,B,D