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: 110 plug adapter without ground
Product list:
A: 1.5FT NEMA 10-30P to 14-30R Dryer Adapter, 30A, 250V, STW 10AWG3C, 3 Prong to 4 Prong Dryer Plug Adapter with Green Ground Wire, Black
B: USB Wall Charger, Surge Protector, POWRUI 6-Outlet Extender with 2 USB Charging Ports (2.4A Total) and Night Light, 3-Sided Power Strip with Adapter Spaced Outlets - White,ETL Listed
C: Multi Plug Outlet Extender,Plug Adapter,Wonplug Multiple Plug Outlets with 4 AC Electrical Sockets,3 Prong to 2 Prong Adapter USA Portable Design for Home Office Hotel Travel,White
D: 3 Prong to 2 Prong Polarized Grounding Adapter, 2 Pack, LENCENT Plug Extender, Outlet Converter, Wall Plug Splitter with 3 AC Outlets, 3-Sided Outlet Adapter, Ideal for Non-Grounded Outlets
Answer: C,D,B,A