this := word &
[ ORTH "this",
  CAT [ RESULT [ CAT np],
	DIRECTION forward,
	ACTIVE [ CAT n]]].	

these := word &
[ ORTH "these",
  CAT [ RESULT [ CAT np],
	DIRECTION forward,
	ACTIVE [ CAT n]]].	

dog := word &
[ ORTH "dog",
  CAT n].

dogs := word &
[ ORTH "dogs",
  CAT n].

cat := word &
[ ORTH "cat",
  CAT n].

barks := word &
[ ORTH "barks",
  CAT [ RESULT [ CAT s],
	DIRECTION backward,
	ACTIVE [ CAT np]]].

bark := word &
[ ORTH "bark",
  CAT [ RESULT [ CAT s],
	DIRECTION backward,
	ACTIVE [ CAT np]]].

sleeps := word &
[ ORTH "sleeps",
  CAT [ RESULT [ CAT s],
	DIRECTION backward,
	ACTIVE [ CAT np]]].


sleep := word &
[ ORTH "sleep",
  CAT [ RESULT [ CAT s],
	DIRECTION backward,
	ACTIVE [ CAT np]]].

chased := word &
[ ORTH "chased",
  CAT [ RESULT [ CAT [ 	RESULT [ CAT s],
			DIRECTION backward,
			ACTIVE [ CAT np]]],
   	DIRECTION forward,
	ACTIVE [ CAT np]]].