<Tr> <Th_colspan="2"> "Member Berries" </Th> </Tr> <Tr> <Th> Episode no . </Th> <Td> Season 20 Episode 1 </Td> </Tr> <Tr> <Th> Directed by </Th> <Td> Trey Parker </Td> </Tr> <Tr> <Th> Written by </Th> <Td> Trey Parker </Td> </Tr>

What do the member berries represent on south park