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: keep ants off hummingbird feeder
Product list:
A: Droll Yankees Ant Moat 3/4 Cup Ant Deterrent for Hummingbird Feeders, Red
B: Sapphire Labs Nectar Fortress Natural Ant Repellent; Multi-Purpose Clear Gel Ant Guard for Hummingbird Feeders (Single)
Answer: B,A