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: ipads by apple on sale cheap
Product list:
A: Apple iPad Air (10.5-inch, Wi-Fi, 256GB) - Space Gray (3rd Generation)
B: Apple iPad (10.2-inch, Wi-Fi, 128GB) - Space Gray (Previous Model)
Answer: B,A