Premise: "A group of people are watching jets flying in a formation."
Based on this premise, can we conclude that the hypothesis "The jets are putting on a show." is true?
Options:
- yes
- it is not possible to tell
- no

it is not possible to tell
Explanation: Not all jets flying in formation are putting on a show..

Test for natural language inference.
Premise: "An old person is sitting in a plush chair with a huge white dog laying on top of him or her."
Hypothesis: "A person holding their animal at the vet."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

it is not possible to tell
Explanation: One can hold a dog and not be at the vet..

Premise: "Man hitting a nail into a tree log."
Hypothesis: "A man is posting a sign into a tree."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

it is not possible to tell
Explanation: Just because he is nailing a tree does not mean he is putting up a sign..

Given the sentence "A man sitting at a desk writing in a book." is it true that "A man is writing on paper."?
yes
Explanation: If a man is writing in a book then he is writing on paper..