Which option best describes the governments of South Africa and Nigeria?

Lesson excerpt to help-

Governments of Africa

South Africa is a parliamentary democracy, in which parliament chooses the head of government and a president is the symbolic head of state.

Kenya and Nigeria have presidential democracies, so a directly elected president heads the government. Yet corruption, or the use of power for personal gain, has become widespread in Kenya and Nigeria.
(1 point)
Responses

South Africa is a parliamentary democracy; Nigeria is a presidential democracy
South Africa is a parliamentary democracy; Nigeria is a presidential democracy

South Africa has a democratically elected government; Nigeria is a dictatorship
South Africa has a democratically elected government; Nigeria is a dictatorship

South Africa has an authoritarian government; Nigeria is a democracy
South Africa has an authoritarian government; Nigeria is a democracy

South Africa has a written constitution; Nigeria does not