A dog chases a sheep in an enclosure .
It is probably the case that the puppy is learning the basics of shepherding from the older dogs on the farm .
It is probably not the case that the puppy is learning the basics of shepherding from the older dogs on the farm .
It is probably the case that the puppy is learning the basics of shepherding from the older dogs on the farm .
The puppy is learning the basics of shepherding from the older dogs on the farm .