Premise: "A boy is kneeling under a statue of bear that has a painting of a man on its back."
Hypothesis: "The boy is by a statue."
Do we know that the hypothesis entailed by the premise?

yes
Explanation: The boy is by a statue because he is under the statue..

Test for natural language inference.
Premise: "A man with a towel wrapped around his waist sits in a sauna with the light on."
Hypothesis: "The man is warm."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

yes
Explanation: The man is in a sauna so he must be warm..

Premise: "Man plays scrabble in a kitchen."
Based on this premise, can we conclude that the hypothesis "A man is playing dominos." is true?
Options:
- yes
- it is not possible to tell
- no

no
Explanation: Man is a very specific statement compared to A man which is very vague..

Given the sentence "A man with a red hoodie under a gray jacket is sitting on a bench next to his backpack with his head down." can we conclude that "The man is sad."?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell
Explanation: A man with his head down would not automatically be sad..