QUESTION: Premise: "A man is on a horse in front of an audience."
Hypothesis: "A man is in a circus."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: The man on a horse could be somewhere other in a circus.
The answer is it is not possible to tell.

QUESTION: Given the sentence "A black dog on a blue leash is walking in a stream." is it true that "The dog looks nice and dry."?

Let's solve it slowly: If the dog is walking in a stream it mean the dog is not dry.
The answer is no.

QUESTION: Premise: "Two people are fencing while another person is sitting in the background."
Based on this premise, can we conclude that the hypothesis "Two people are dancing while another person is looking." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
The two people dancing totally contradicts the two people fencing in the first sentence.
The answer is no.