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: portable air conditioner without window vent
Product list:
A: Portable Electric Air Conditioner Unit2-1 Air Cooler & Tower Fan with 3 Speeds/Modes,12H Timer,with remote and 2 Ice Packs,7L Large Water Tank for Home,Office,Kitchen White
B: 3-in-1 Portable Air Conditioner with Built-in Dehumidifier Function,Fan Mode, Remote Control, Complete Window Mount Exhaust Kit
Answer: A,B