Instruction: Evaluate each product title in the given list, assess its relevance to the given query, and then arrange the products in descending order of relevance, with the most relevant product at the top of the ranked list.

Input:
Query: princess peach poster
Product list:
A: Pyramid America Super Mario Bros Princess Peach Nintendo Cool Wall Decor Art Print Poster 12x18
B: Pyramid America Super Mario Bros Rosalina Nintendo Cool Wall Decor Art Print Poster 12x18
Answer: A,B