Premise:
"I have heard of Kentucky horses. "
Hypothesis: I've heard other people talking about Kentucky horses before.

it is not possible to tell

Premise:
"he claims to be out there to play ball yeah they say he's really been hustling"
Hypothesis: People say he has been working hard.

yes

Premise:
"South of the Bay"
Hypothesis: Close to the Bay.
it is not possible to tell