QUESTION: Given the sentence "A man ties his apron while smiling." is it true that "A man falls off a chair."?

Let's solve it slowly: He likely is not smiling if he falls of a chair.
The answer is no.

[QUESTION] If "A woman is ironing in her home." does that mean that "A woman plays polo in a field."?
Options:
- yes
- it is not possible to tell
- no
A woman cannot be ironing in her home and playing polo in a field simultaneously.
The answer is no.

Q: Given the sentence "A dog swims in the ocean with a surfboard." can we conclude that "A dog can do tricks on a surfboard in the ocean."?
Options:
- yes
- it is not possible to tell
- no
A: A dog swimming with a surfboard does not imply he can do tricks with it.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A child biting into a baked good."
Hypothesis: "The child was 18 years old."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: A person over 18 years old is no longer a child.
The answer is no.

[QUESTION] Given the sentence "A man in a white apron and hat is selling meat on a busy street." can we conclude that "The man butchered the meat himself."?
Options:
- yes
- it is not possible to tell
- no
The man is selling meat but that doesn't necessarily mean that he butchered the meat himself.
The answer is it is not possible to tell.

Q: Given the sentence "Four men are looking at the motor of their boat in the river." can we conclude that "A group of men looking at the engine of their boat."?
Options:
- yes
- it is not possible to tell
- no
A:
A group of men are probably stalled in their boat on the river and are examining the motor to see what the problem is.
The answer is yes.