<Tr> <Td> New Zealand </Td> <Td> Leader of the political party that has the support of a majority in the New Zealand Parliament is appointed Prime Minister of New Zealand by the Governor - General of New Zealand, who then appoints the Cabinet of New Zealand on the advice of the Prime Minister </Td> </Tr> <Tr> <Td> Papua New Guinea </Td> <Td> Leader of the political party that has the support of a majority in the National Parliament is appointed Prime Minister of Papua New Guinea by the Governor - General of Papua New Guinea, who then appoints the Cabinet of Papua New Guinea on the advice of the Prime Minister </Td> </Tr> <Tr> <Td> Samoa </Td> <Td> Legislative Assembly appoints the Cabinet of Samoa </Td> </Tr> <Tr> <Td> Vanuatu </Td> <Td> Parliament of Vanuatu appoints the Cabinet of Vanuatu </Td> </Tr>

Who is the head of parliament system of government