context: A brown dog with a blue muzzle is running on green grass.
hypothesis: We believe that a mean dog is wearing a muzzle to keep it from attacking cats.
valid_hypothesis: It is highly unlikely that a mean dog is wearing a muzzle to keep it from attacking cats.
invalid_hypothesis: We believe that a mean dog is wearing a muzzle to keep it from attacking cats.
hypothesis_assertion: A mean dog is wearing a muzzle to keep it from attacking cats.