rolls.json

{
  "rock": {
    "defeats": ["fire", "scissors", "sponge"],
    "defeated_by": ["paper", "air", "water"]
  },
  "paper": {
    "defeats": ["rock", "water", "air"],
    "defeated_by": ["scissors", "fire", "sponge"]
  },
  "scissors": {
    "defeats": ["paper", "sponge", "air"],
    "defeated_by": ["fire", "rock", "water"]
  },
  "fire": {
    "defeats": ["scissors", "sponge", "paper"],
    "defeated_by": ["rock", "water", "air"]
  },
  "sponge": {
    "defeats": ["paper", "air", "water"],
    "defeated_by": ["rock", "fire", "scissors"]
  },
  "air": {
    "defeats": ["water", "rock", "fire"],
    "defeated_by": ["paper", "sponge", "scissors"]
  },
  "water": {
    "defeats": ["rock", "fire", "scissors"],
    "defeated_by": ["air", "paper", "sponge"]
  }
}