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: akorn artificial tears ointment
Product list:
A: Akorn USP 5 Sodium Chloride Ophthalmic Solution, 0.5 Fluid Ounce
B: Systane Nighttime Lubricant Eye Ointment 3.50 g (Pack of 10) by Systane
Answer: B,A