Instruction: Evaluate the relevance of each product title in the input to the given query, and then sort the products in descending order of relevance, placing the most relevant product at the top of the ranked 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: Fypon SWDH48X24 48"W 24"H Sunburst Window Pediment Half Round, Urethane
C: Kirsch Arched Curtain Rod for Curved Windows, 24" to 48"
Answer: B,C,A