Q: Given the sentence "Two young men running along a track." is it true that "The men know each other."?
A: Two young men running along a track does not necessarily know each other.
The answer is it is not possible to tell.

QUESTION: Premise: "A jockey rides his brown horse as the horse gallops along the track."
Hypothesis: "The jockey is getting ready to race with the horse."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: A jockey rides his brown horse as the horse gallops along the track does not indicate that the jockey is getting ready to race with the horse.
The answer is it is not possible to tell.

[QUESTION] Premise: "A snowboarder is catching air on a snowy hill while wearing protective snow gear."
Hypothesis: "A female snowboarder is doing flips on a snowy hill."
Do we know that the hypothesis entailed by the premise?
A snowboarder is catching air on a snowy hill while wearing protective snow gear does not indicate that a female snowboarder is doing flips on a snowy hill.
The answer is it is not possible to tell.

Q: Premise: "An eagle standing in water."
Hypothesis: "The eagle is searching for fish to eat."
Do we know that the hypothesis entailed by the premise?
A: The eagle might be standing for no reason in particular or just to take a rest and doesn't necessarily have to be searching for fish to eat.
The answer is it is not possible to tell.

QUESTION: Premise: "A pile of bags full of objects that have either came out of or go in the airplane."
Hypothesis: "A pile of bags is on an airplane carousel inside the airport."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: The fact that a pile of bags full of objects that have either came out of or go in the airplane does not imply that there was an airplane carousel inside the airport.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "The mascot is dancing in the background while a couple has a conversation."
Hypothesis: "The mascot dancing is a bird."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly:
Just because the mascot is dancing in the background doesn't mean it is a bird.
The answer is it is not possible to tell.