a. Smell it.
b. Taste it.
c. Play with it.
d. If possible, ingest it.
e. If all else fails, uriniate on it.

Dog Law 2: Anything (or anyone) on the floor is fair game.

Dog Law 3: Whenever possible, move up in the pecking order.

Dog Law 4: Observe humans carefully (they have the can openers).

Dog Law 5: DOGS ONLY:

If it sticks up, has to be marked, if you like it, if you don't like it, if you want it, if you don't know what it is, if it scared you (and so on), mark it; if it's nice, mark it twice.

Dog Law 6: BITCHES ONLY:

If it's male, tease it; if it responds, show your teeth, snap and act indignant.

Dog Law 7: Never miss an opportunity to eat or go to the bathroom.

Dog Law 8: A little nap never hurt anyone.