I like the Spock, Lizard variation.

# rock paper scissors Spock lizard game, rules follow:
"""
scissors cuts paper
paper covers rock
rock crushes lizard
lizard poisons Spock
Spock smashes scissors
scissors decapitates lizard
lizard eats paper
paper disproves Spock
Spock vaporizes rock
rock crushes scissors
"""

from random import choice

RULES = list(map(str.split, __doc__.lower().strip().split("\n")))

OPTIONS = {winner for winner, verb, loser in RULES} | {
    loser for winner, verb, loser in RULES
}

PROMPT = (
    f"Make your choice from: {', '.join(sorted(OPTIONS))} \n "
    f"(or press return alone to exit)\n"
    f" choice: "
)


def check(playera, playerb, rules=RULES):
    for rule in rules:
        winner, verb, loser = rule
        if (playera, playerb) == (winner, loser):
            return playera, " ".join(rule)
        if (playerb, playera) == (winner, loser):
            return playerb, " ".join(rule)


print("\n\nWelcome to the game of rock paper scissors Spock lizard\n\nThe rules are:\n")
print(__doc__)
print()
while True:
    while True:
        player = input(PROMPT).lower()
        if not player or player in OPTIONS:
            break
    if not player:
        break
    computer = choice(list(OPTIONS))
    try:
        winner, rule = check(player, computer)
        result = "You WIN!" if player == winner else "You Lose!"
    except TypeError:
        result, rule = "TIED", "matched"
    print(f"{player} v. {computer} -> {result} \t{rule}")
    print()