A person cannot be member of both:

The correct answer is All of these. This principle ensures that a person cannot hold membership in more than one legislative body simultaneously, whether it's the Senate, National Assembly, or a Provincial Assembly. This rule is fundamental in many parliamentary systems to prevent conflicts of interest, maintain the distinct roles of each house, and ensure that members can fully dedicate themselves to one legislative role. Therefore, holding dual membership in any of the combinations listed (Senate and National Assembly, National Assembly and Provincial Assembly, or Senate and Provincial Assembly) is generally prohibited to uphold the integrity and functionality of the legislative process.