command /gm <text>:
	permission: t.gamemode
	trigger:
		if player has permission "t.gamemode":
			if arg 1 is "0" or "survival":
				set player's gamemode to survival

			if arg 1 is "1" or "creative":
				set player's gamemode to creative

			if arg 1 is "2" or "adventure":
				set player's gamemode to adventure