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: smithsonian stem
Product list:
A: Smithsonian Science Activities Rocket Science Kit
B: Discovery Kids #MINDBLOWN Model Engine Kit, DIY Mechanic Four Cycle Internal Combustion Assembly Construction, Comes W/Valves, Cylinders, Hardware & More, Encourages STEM Creativity/Critical Thinking
Answer: A,B