please help!

Country A Country B
Local and state government share power with the central government.
The central government has final authority.
Local and state governments follow the decisions of the central government.
The central government has all authority and decision-making power.


What types of government do Country A and Country B have?
Country A: Confederation, Country B: Parliamentary
Country A: Parliamentary, Country B: Confederation
Country A: Federation, Country B: Unitary
Country A: Unitary, Country B: Federation