Q: Given the sentence "Three teenagers are carrying wood down a street while one of the teenagers is smiling at the camera." can we conclude that "Some teenagers are in a car."?
Options:
- yes
- it is not possible to tell
- no
A: The teenagers are walking down a street and therefor are not in a car.
The answer is no.

QUESTION: Premise: "A team of dogs pulling a sled."
Hypothesis: "Dogs are pulling a sled for a race."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Dogs can pull the sled without having to be a race.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "Several off-road vehicles are driving down a gravel road." can we conclude that "Several vehicles racing down a country road."?
Options:
- yes
- it is not possible to tell
- no
Several off-road vehicles are driving down a gravel road does not imply that they are racing down a country road.
The answer is it is not possible to tell.

Q: If "An older man wearing blue jeans and a gray jacket riding a bike." does that mean that "A man rides his bike to work."?
Options:
- yes
- it is not possible to tell
- no
A: A man may be young rather than old. A man may ride a bike to places other than work.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "Women riding a moped and a motorized bike."
Hypothesis: "Women are riding mopeds to the store."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: One can ride a moped and not be going to the store.
The answer is it is not possible to tell.

QUESTION: Can we conclude from "One slender man and one stout man walk on a city sidewalk." that "The two guys are in the city."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
Taking a walk on a city sidewalk doesn't always mean they are in the city.
The answer is it is not possible to tell.