Instruction: Rank the products A, B, C, ... based on their relevance to the provided query, and produce a ranked list with the most relevant product positioned at the top of the list.

Input:
Query: true white whitening system
Product list:
A: Teeth Whitening Pen (3 Pack) - 35% Carbamide Peroxide Professional Strength - Fast Results - No Sensitivity - Made in USA - Highest Quality
B: truewhite Advanced Plus Teeth Whitening System for 2 Person - Made in USA - No Sensitivity - Easy to Use Perfect Professional Teeth Whitening Kit - FDA Registered
Answer: B,A