<Table> <Tr> <Td> Part of the Politics series on </Td> </Tr> <Tr> <Th> Executive government </Th> </Tr> <Tr> <Th> Head of state </Th> </Tr> <Tr> <Td> <Ul> <Li> Monarch </Li> <Li> Supreme leader </Li> <Li> President </Li> <Li> President of the Council of State </Li> </Ul> </Td> </Tr> <Tr> <Th> Government </Th> </Tr> <Tr> <Td> <Ul> <Li> Head of government <Ul> <Li> Chancellor </Li> <Li> Chief executive </Li> <Li> Chief minister </Li> <Li> First minister </Li> <Li> Premier </Li> <Li> Prime minister </Li> <Li> President of the Council of Ministers </Li> </Ul> </Li> </Ul> </Td> </Tr> <Tr> <Td> <Ul> <Li> Cabinet Cabinet collective responsibility </Li> </Ul> </Td> </Tr> <Tr> <Td> <Ul> <Li> Ministry <Ul> <Li> Minister </Li> <Li> Secretary </Li> </Ul> </Li> </Ul> </Td> </Tr> <Tr> <Td> <Ul> <Li> Other <Ul> <Li> Governor </Li> <Li> Mayor </Li> </Ul> </Li> </Ul> </Td> </Tr> <Tr> <Th> Systems </Th> </Tr> <Tr> <Td> <Ul> <Li> Monarchy (Constitutional) </Li> <Li> Republic (Parliamentary) </Li> <Li> Directorial </Li> <Li> Parliamentary (Westminster) </Li> <Li> Semi-parliamentary (simul simul) </Li> <Li> Semi-presidential (cohabitational) </Li> <Li> Presidential </Li> </Ul> </Td> </Tr> <Tr> <Th> Lists </Th> </Tr> <Tr> <Td> <Ul> <Li> National leaders </Li> <Li> National governments </Li> <Li> Heads of state and government </Li> </Ul> </Td> </Tr> <Tr> <Td> Politics portal </Td> </Tr> <Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> </Table> <Tr> <Td> Part of the Politics series on </Td> </Tr> <Tr> <Th> Executive government </Th> </Tr>

Explain the three categories of council of ministers