<Table> Canonical PD payoff matrix <Tr> <Th> Red Blue </Th> <Th> Cooperate </Th> <Th> Defect </Th> </Tr> <Tr> <Th> Cooperate </Th> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Defect </Th> <Td> </Td> <Td> </Td> </Tr> </Table> <Tr> <Th> Red Blue </Th> <Th> Cooperate </Th> <Th> Defect </Th> </Tr> <Tr> <Th> Cooperate </Th> <Td> </Td> <Td> </Td> </Tr> <Tr> <Th> Defect </Th> <Td> </Td> <Td> </Td> </Tr>

The prisoner's dilemma involves a situation in which