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: slytherin tie
Product list:
A: Harry Potter Headbands for Women and Girls' Hogwarts Houses Gryffindor Slytherin Ravenclaw Hufflepuff (Slytherin)
B: Landisun Cosplay Tie Halloween Costume Satin Tie for Kids Green for 7 Years Old and Up
Answer: B,A