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: natural sleep aid without melatonin
Product list:
A: NATURELO Sleep Aid - with Melatonin, Magnesium, GABA, Valerian Root, Lemon Balm, Chamomile Herbal Extracts - Plant-Based Sleeping Aid - 60 Vegan Capsules
B: Luna Melatonin-Free Natural Sleep Aid for Adults | Herbal Nighttime Sleeping Capsule for Easy Calm Deep Sleep | Valerian Root with Chamomile, Lemon Balm | Non-GMO, Gluten-Free
C: Natrol Sleep+ Beauty Melatonin Biotin and Vitamin E 100% Drug Free Gummy Raspberry Flavor Sleep Aid Gummies, 60 Count
Answer: B,A,C