Instruction: Given a query and a list of products denoted as A, B, C, ... with their titles, rank the products according to their relevance to the query. Output only a ranked list in which the most relevant product is at the top of the list.

Input:
Query: blood sugar monitor without finger pricks
Product list:
A: Zacurate Pro Series 500DL Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Silicon Cover, Batteries and Lanyard (Royal Black)
B: AUVON DS-W Blood Sugar Kit (No Coding Required), High-Tech Diabetes Blood Glucose Meter with 50 Test Strips, 50 30G Lancets, Lancing Device
C: OhCare Lite Blood Sugar Test Kit  Blood Glucose Meter with Strips and Lancets, Lancing Device, Log, and Case - One Touch Eject Glucometer (50 Strips & 50 Lancets)
Answer: B,C,A