predicates:

placement
	on top of
	underneath
	beside
	around
	in
	center of
	corner of
	against

negative predicates


spacing: padding around an object when it gets placed
	"arm's length"
	"body width"
	"near"
	"far'

some predicates carry notion of spacing like against, on top of while others do not like around.
	
concepts to know about:
	weapon -> sword, axe, club, staff, spear
	armor -> curiass, gauntlet, helmet, shield, pauldroon, greaves, boots
	clothing -> shirt, pant, skirt, hat, belt, dress, shoes
	jewelry -> ring, amulet, locket
	books
	furniture -> dresser, desk, table, shelf, chair, stool, cabinet
	containers -> chest, box, barrel
	ingrediants -> edible, chemical, mineral

so we start with an empty room which has walls, a floor, a ceiling, and doors (not stairs for now).

for each object get the [IsA] relationship from concept net
	
loop through the objects trying to place them from their [IsA] mappings depending on what's already
been placed.  
	possibly try to place large objects first -> generally dominate room, and most constrained
	in general, AI problem of constraint propagation; choose most constrained object to place first
	constraint is measured by placement predicates, and possible spacing predicates as well