QUESTION: Given the sentence "Two men are sitting back to back in chairs with one talking on a telephone." is it true that "Bob was on the phone while tom was sitting in the chair behind him."?

SOLUTION: Let's solve this gradually. A man can be on the phone and not be sitting down.
Answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "Hiking in the mountains down steep terrain."
Hypothesis: "Several people hike down the mountain trail."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

SOLUTION: Let's solve this gradually. The fat that there is hiking down steep terrain doesn't imply down the mountain trail.
Answer is it is not possible to tell.

QUESTION: Given the sentence "A woman is jumping over a hurdle on a track in front of a grassy field with people on it." is it true that "The woman is competing in the olympics."?

SOLUTION: Let's solve this gradually. Jumping over hurdles does not mean she is competing in the Olympics.
Answer is it is not possible to tell.

QUESTION: Premise: "Man on scaffolding spray painting a wall."
Hypothesis: "A man blowing bubbles."
Do we know that the hypothesis entailed by the premise?

SOLUTION:
Let's solve this gradually. The man cannot be spray painting a wall and blowing bubbles simultaneously.
Answer is no.