query: what is the political system of south africa?
answers: [ ' F e d e r a t i o n ' , ' D e m o c r a c y ' , ' D o m i n a n t - p a r t y s y s t e m ' , ' P r e s i d e n t i a l s y s t e m ' , ' P a r l i a m e n t a r y s y s t e m ' , ' L i b e r a l d e m o c r a c y ' , ' R e p u b l i c ' , ' P a r l i a m e n t a r y r e p u b l i c ' ]