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: 27 ft pool covers for above ground pools
Product list:
A: Economy - 27' Round Above Ground Pool Winter Cover - 27 ft Gorilla Pool Cover
B: Blue Wave BWC910 Gold 15-Year 28-ft Round Above Ground Pool Winter Cover,Royal Blue
C: Blue Wave 4-ft x 4-ft Air Pillow for Above Ground Pool
Answer: A,B,C