Q: Can we conclude from "Marathon runner izabella running while being followed by a crowd of people in costumes." that "A woman is being chased by an angry mob."?
Options:
- yes
- no
- it is not possible to tell
A: A crowd of people following someone does not have to be a mob.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A boy sitting in the doorway of a house in a slum."
Hypothesis: "A boy is waiting for his ride."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: He might be staying there instead of waiting for a ride.
The answer is it is not possible to tell.

[QUESTION] Premise: "A young boy tackles another in a game of football at the park."
Hypothesis: "The boy hurt the other boy when he tackled him."
Do we know that the hypothesis entailed by the premise?
A boy tackles another in a game of football doesn't imply that the boy hurt the other boy.
The answer is it is not possible to tell.

Q: Given the sentence "A couple standing under a sign." can we conclude that "A coupel watching each other."?
Options:
- yes
- it is not possible to tell
- no
A: Standing under a sign does not mean they are watching each other.
The answer is it is not possible to tell.

QUESTION: Premise: "Man in business suit presents slide show to a conference audience."
Hypothesis: "A man is showing a group of people around a building."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: One cannot present a slide show while showing around the building.
The answer is no.

QUESTION: Premise: "A middle-aged man is about to hit a tennis ball with his racket."
Hypothesis: "The man is near the racket."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly:
If they are about to hit a tennis ball they must be near a racket.
The answer is yes.