Instruction: Analyze the query and each product title. Sort the products in descending order based on their relevance to the query. The most relevant product should be at the top of the list, and output the ranked list.

Input:
Query: perricone md vitamin c ester brightening eye serum
Product list:
A: Perricone MD Vitamin C Ester Brightening Overnight Treatment 2 oz
B: Perricone MD Essential Fx Acyl-Glutathione Deep Crease Serum 1 fl oz
Answer: B,A