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: audiobook players with wifi
Product list:
A: WiFi MP4 Player with Bluetooth, AGPTEK 6 inch Touch Screen 16GB Lossless MP3 Player, Support APPs, Audible Books, Spotify, FM Radio, up to 128GB
B: Sony NWE394/B 8GB Walkman MP3 Player (Black)
Answer: B,A