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: ultrasound medical
Product list:
A: Aquagel Lubricating Jelly 5 oz Tube - Parker Laboratories - (Pack of 2)
B: CONTEC CMS600P2 Vet Veterinary,Portable Laptop B-Ultrasound Scanner Machine for Horse/Equine/Sheep Big Animal Use Newest (Convex Probe)
C: SonoQue Portable Wireless Linear Veterinary Ultrasound Scanner Probe (7.5-10MHz) for iOS and iPad Tablet
Answer: C,B,A