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: 10ft umbrella without base
Product list:
A: Blissun Market Umbrella Stand, 14" Outdoor Patio Umbrella Holder for Yard/Garden/Deck Porch
B: DC America UBP18181-BR 18-Inch Cast Stone Umbrella Base, Made from Rust Free Composite Materials, Bronze Powder Coated Finish
C: PHI VILLA 10ft Offset Patio Umbrellas Outdoor Market Hanging Umbrella with Crank Handle & Cross Base(No Weight), for Deck, Pool, Porch,Backyard, Navy Blue
D: 10 Ft 3 Tier Patio Umbrellas & Shade, Outdoor Wind Resistant Shade Umbrella Double Vented without Base-Burgundy
Answer: D,C,A,B