Rock, Paper, Scissors

Rock, paper, scissors is a known game where N people make symbols with their hands at the same time to try to beat one another according to the following rules:

1. Rock beats Scissors
2. Scissors beats Paper
3. Paper beats Rock

Input

"rock paper"

Output

"Player 2 wins: paper beats rock"

Constraints

• Driver + Co-pilot switching every 3 minutes
• No passing of primitives between methods as parameters.
• Do not use “else”.
• No more than 2 parameters per method.

Extra

• Scale to more than 2 players keeping the constraints.