List of commands:
DOOR 'X' - to exit through a door ['d1'].
LOOK AROUND - to see what furniture items are in a room ['la'].
INVESTIGATE 'FURNITURE' - to look at what is on/inside an piece of furniture ['i sofa'].
TAKE 'ITEM' - to pick up an item and put it in your inventory ['t ham'].
DRINK 'ITEM' - to drink a liquid in your inventory ['d milk'].
EAT 'ITEM' - to consume food in your inventory ['e ham']
TALK TO 'PERSON' ['t to john']
READ 'ITEM' ['r bible']