Q: Premise: "A group of army personnel in uniform."
Hypothesis: "Wearing their hats upside down."
Do we know that the hypothesis entailed by the premise?
A: Navy personnel are in full dress uniform for a formal function.
The answer is no.

QUESTION: If "A depressed man sitting on a subway train." does that mean that "A man is sitting on the subway train looking depressed."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A depressed man can be called a man looking depressed while sitting on the subway train.
The answer is yes.

[QUESTION] Given the sentence "A skateboarder doing a jump on train tracks." is it true that "A skateboarder jumping."?
Jumping may include the action of a jump on the train tracks.
The answer is yes.

Q: Premise: "People wait for their luggage at the airport."
Hypothesis: "A group of people are talking on their phone waiting for their bags."
Do we know that the hypothesis entailed by the premise?
A: People can be waiting for luggage without talking on their phone or engaging in any other activity.
The answer is it is not possible to tell.

QUESTION: Can we conclude from "Group of people crossing a street with building surrounding them." that "The group of people are dancing."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: They would not be dancing while crossing the street because that would be dangerous.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "Young man wearing a wear jacket is behind a counter in a jewelry store gazing off into the distance."
Hypothesis: "Young man deep in thought at the jewelry store."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
Deep in thought defines what the young man was doing when he was gazing off.
The answer is yes.