Q: Given the sentence "A skateboarder is riding his board on a ramp in a skate park." can we conclude that "A young guy is practicing skateboard tricks with his friends."?
Options:
- yes
- it is not possible to tell
- no
A: Just because a guy riding his board on a ramp doesn't mean he doing tricks with his friends.
The answer is it is not possible to tell.

QUESTION: Premise: "Several people walk up and down a set of stairs in an alleyway with graffiti painted on the walls."
Hypothesis: "Grafitti is shown along the flight of stairs."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Several people walk up and down a set of stairs with graffiti painted on the walls implies Grafitti is shown along the flight of stairs.
The answer is yes.

[QUESTION] Test for natural language inference.
Premise: "A group of eight campers sit around a fire pit trying to roast marshmallows on their sticks."
Hypothesis: "The campers are sleeping."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Sleeping campers must be asleep and can't sit around a fire pit trying to roast marshmallows.
The answer is no.

Q: Premise: "Trolleys."
Hypothesis: "Buses and cars are stopped on the street while pedestrians while along the sidewalk."
Do we know that the hypothesis entailed by the premise?
A: Vehicles are at a stoplight in a city intersection while pedestrians hurry to cross.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "People dancing inside a room where there is a small concert happening."
Hypothesis: "People are dancing in a room."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: People are just dancing inside a room where there is a small concert happening.
The answer is yes.

QUESTION: Test for natural language inference.
Premise: "A woman in gray holding a baby wearing green headphones at a concert."
Hypothesis: "The concert is at a park."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
A woman attending a concert holding a baby doesn't mean the the concert is in a park.
The answer is it is not possible to tell.