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: gardian clean step indoor
Product list:
A: Notrax - 109S0035CH 109 Brush Step Entrance Mat, for Home or Office, 3' X 5' Charcoal
B: Dr. Killigan's Premium Pantry Moth Traps with Pheromones Prime | Safe, Non-Toxic with No Insecticides | Sticky Glue Trap for Food and Cupboard Moths in Your Kitchen | Organic (Black, 20)
C: Guardian Silver Series Indoor Walk-Off Floor Mat, Vinyl/Polypropylene, 4'x6', Black
Answer: C,A,B