action
actions
activity
activities
actor
actors
animal
animals
backdrop
backdrops
container
containers
device
devices
direction
directions
door
doors
holder
holders
kind
kinds
list
lists
man
men
nobody
nothing
noun
nouns
number
numbers
object
objects
people
person
persons
player
player's holdall
region
regions
relation
relations
room
rooms
rule
rules
rulebook
rulebooks
scene
scenes
someone
something
supporter
supporters
table
tables
text
texts
thing
things
time
vehicle
vehicles
woman
women

----------------------------------------------------

[
	["type", "action"],
	["type", "actions"],
	["type", "activity"],
	["type", "activities"],
	["type", "actor"],
	["type", "actors"],
	["type", "animal"],
	["type", "animals"],
	["type", "backdrop"],
	["type", "backdrops"],
	["type", "container"],
	["type", "containers"],
	["type", "device"],
	["type", "devices"],
	["type", "direction"],
	["type", "directions"],
	["type", "door"],
	["type", "doors"],
	["type", "holder"],
	["type", "holders"],
	["type", "kind"],
	["type", "kinds"],
	["type", "list"],
	["type", "lists"],
	["type", "man"],
	["type", "men"],
	["type", "nobody"],
	["type", "nothing"],
	["type", "noun"],
	["type", "nouns"],
	["type", "number"],
	["type", "numbers"],
	["type", "object"],
	["type", "objects"],
	["type", "people"],
	["type", "person"],
	["type", "persons"],
	["type", "player"],
	["type", "player's holdall"],
	["type", "region"],
	["type", "regions"],
	["type", "relation"],
	["type", "relations"],
	["type", "room"],
	["type", "rooms"],
	["type", "rule"],
	["type", "rules"],
	["type", "rulebook"],
	["type", "rulebooks"],
	["type", "scene"],
	["type", "scenes"],
	["type", "someone"],
	["type", "something"],
	["type", "supporter"],
	["type", "supporters"],
	["type", "table"],
	["type", "tables"],
	["type", "text"],
	["type", "texts"],
	["type", "thing"],
	["type", "things"],
	["type", "time"],
	["type", "vehicle"],
	["type", "vehicles"],
	["type", "woman"],
	["type", "women"]
]

----------------------------------------------------

Checks for variables.