Instruction: Given a query and a list of products denoted as A, B, C, ... with their titles, rank the products according to their relevance to the query. Output only a ranked list in which the most relevant product is at the top of the list.

Input:
Query: half circle window shade
Product list:
A: KANGAROO 3/4" Thick Superior Comfort, Relieves Pressure, All Day Ergonomic Stain Resistant Floor Rug Anti Fatigue Cushion Mat, Durable Standing Desk, Foam Pad Mats Kitchen, Half Circle, Navy Blue
B: Redi Shade 1617201 Blackout Pleated Paper Shade, 36 in x 72 in, 6-Pack, Black
Answer: B,A