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: chair mat for carpeted floors 48 x 60
Product list:
A: [Upgraded Version] Crystal Clear 1/5" Thick 47" x 35" Heavy Duty Hard Chair Mat, Can be Used on Carpet or Hard Floor
B: Premium Heavy Duty .25" Thick Tempered Glass Chair Mat, 36" x 46" Life Time Guarantee, Thickest Office Chair Mat for Carpet & Hardwood Floors, Protect Your Home or Office Floors - 1 Each
Answer: B,A