clauses.pl

:- dynamic suspect/1.
:- dynamic room/1.
:- dynamic weapon/1.
:- dynamic possible/1.
:- dynamic onhand/2.

% Suspects 

suspect(plum).
suspect(scarlet).
suspect(mustard).
suspect(green).
suspect(white).
suspect(peacock).

% Rooms

room(kitchen).
room(ballroom).
room(conservatory).
room(billiard).
room(library).
room(study).
room(hall).
room(lounge).
room(dining).

% Weapons

weapon(knife).
weapon(candlestick).
weapon(revolver).
weapon(rope).
weapon(pipe).
weapon(wrench).

% Current Possible Objects

possible(plum).
possible(scarlet).
possible(mustard).
possible(green).
possible(white).
possible(peacock).

possible(knife).
possible(candlestick).
possible(revolver).
possible(rope).
possible(pipe).
possible(wrench).

possible(kitchen).
possible(ballroom).
possible(conservatory).
possible(billiard).
possible(library).
possible(study).
possible(hall).
possible(lounge).
possible(dining).