Create Rock Paper Scirrors Lizard Spock

Are you Dr. Sheldon Cooper. If you are not mad and your mother had you tested! then play this RPSLS 
python version!

It is very simple-
Scissors cut paper
Paper covers rock
Rock crushes lizard
Lizard poisons Spock
Spock smashes scissors
Scissors decapitate lizard
Lizard eats paper
Paper disproves Spock
Spock vaporizes rock
and as it is always been
Rock crushes scissors