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: build your own remote control car
Product list:
A: OSOYOO Robot Car Starter Kit for Arduino | STEM Remote Controlled App Educational Motorized Robotics for Building Programming Learning How to Code | IOT Mechanical DIY Coding for Kids Teens Adults
B: Gifts for 10 12 Year Old Boy & Girls | RC Car Kits to Build | 380pcs Stem Building Toys for 10 11 12 Year Olds | Build Your Own RC Car Kit for Kids 10 11 and 12 Year Old Boys and Girls
Answer: B,A