[QUESTION] Given the sentence "A man in a black vest is riding a bucking horse at a rodeo." can we conclude that "The man is trying to break a rodeo world record."?
Options:
- yes
- it is not possible to tell
- no
A man riding a bucking horse at a rodeo is not necessarily trying to break a rodeo world record.
The answer is it is not possible to tell.

Q: Given the sentence "A man in a black shirt and a cast smokes a cigarette." can we conclude that "A man smoking a cigarette."?
Options:
- yes
- it is not possible to tell
- no
A: A man smokes a cigarette in a cast and black shirt.
The answer is yes.

QUESTION: Test for natural language inference.
Premise: "A cop stands in front of a car on a busy street."
Hypothesis: "A cop blocked off traffic due to a accident."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A cop standing in front of a car doesn't mean he blocked off traffic or that it was because of an accident.
The answer is it is not possible to tell.

[QUESTION] Premise: "A group of people with unhappy faces are gathered together most likely waiting for someone or listening to someone speak."
Hypothesis: "A group of people are waiting."
Do we know that the hypothesis entailed by the premise?
Waiting for someone to arrive or listening to someone speak are both examples of waiting.
The answer is yes.

Q: Given the sentence "A woman holding a child at a picnic." can we conclude that "A woman was fighting with a child in a picnic."?
Options:
- yes
- it is not possible to tell
- no
A: A person cannot be holding a child and fighting with them at the same time.
The answer is no.

[QUESTION] Given the sentence "An older man rows a boat." can we conclude that "The man is on a lake."?
Options:
- yes
- it is not possible to tell
- no
One who rows a boat is not necessarily on a lake.
The answer is it is not possible to tell.