Pred 1:you're a cop whose out to get criminals,you eat them and bring them to the jail
Pred 2:you're a criminal who is a predator though,if you're lucky,you might be able to eat a cop,or more people

Prey 1:you're a criminal on the run,predator cops are after you,you should better get away quick
Prey 2:you're a cop,but you can't really eat much people,you can eat the prey criminals,but you'll get eaten if you face a predator criminal,so watch out