[QUESTION] Given the sentence "A man in an apron operating an open wood stove." is it true that "A guy in front of a stove."?
Someone operating an open wood stove must be in front of it.
The answer is yes.

Q: Can we conclude from "Two men are participating in a karate match." that "Two men are doing karate."?
Options:
- yes
- no
- it is not possible to tell
A: People who are participating in a karate match are doing karate.
The answer is yes.

QUESTION: Premise: "An elderly lady walks outside with a cane."
Based on this premise, can we conclude that the hypothesis "A woman athlete is running outside." is true?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The woman athlete running outside contradicts with the elderly lady walking in the first sentence.
The answer is no.

[QUESTION] Given the sentence "A man jumping a bicycle over a dirt path surrounded by trees." is it true that "A man on a bike."?
Someone jumping a bicycle over a dirt path must be on a bike.
The answer is yes.

Q: Test for natural language inference.
Premise: "An indian man in a hat is sitting and smiling."
Hypothesis: "An indian man poses for a portrait."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Just because he's sitting and smiling doesn't mean he's posing for a portrait.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "Three boys in swimming trunks are diving into the lake." is it true that "The boys are sitting on the grass near the lake."?
Boys can't be sitting on the grass and diving into a lake at the same moment.
The answer is no.