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: small portable iphone battery
Product list:
A: Portable Charger Power Bank 25800mAh, Ultra-High Capacity Fast Phone Charging with Newest Intelligent Controlling IC, 2 USB Port External Cell Phone Battery Pack Compatible with iPhone,Android etc
B: RAVPower Portable Charger 15000mAh PD3.0 Power Bank QC 3.0, 18W High-Speed Ultra Compact USB C Battery Pack Tri-Input and Tri-Output Compatible iPhone 8/11/12/XS/XR/XS, iPad, Samsung Galaxy and More
Answer: B,A