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: iphone 6s battery case blue
Product list:
A: Modernway Battery Case for iPhone 8 Plus/7 Plus/6 Plus/6s Plus, 5500mAh Portable Charger Case, Rechargeable Extended Battery Charging Case for iPhone 8 Plus/7 Plus/6 Plus/6s Plus(5.5 inch)-Blue
B: LCLEBM Battery Case for iPhone7/8/6s/6[Upgraded 6000mAh] Portable iPhone 8 Charger Case (4.7inch) Extended Protective Rechargeable Charging Case
Answer: B,A