A hot dog
Because you're not supposed to feed them people food.
They both have intelligent eyes, but neither can talk properly.
None. Horses are not known to use operating systems nor computers for that matter.
A T-Bone!!!!
Because they feed the hand that bites them.
A: Mustard. (It's good for a hot dog.)
Put your ear up to a tree and listen for the bark !
Bark
