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: mermaid purse for girls
Product list:
A: Doctor Unicorn Soft Unicorn Hooded Bathrobe Sleepwear - Unicorn Gifts for Girls (Rainbow, 4-5T)
B: Felice Ann Women Mini Glitter Sequins Seashell Cross-body Bag Chain Strap Shoulder Bag Evening Clutch Purse
Answer: B,A