[QUESTION] Given the sentence "A basketball player shooting a free throw." is it true that "A basketball player playing basketball."?
A basketball player can be shooting a free throw while not playing basketball.
The answer is it is not possible to tell.

Q: Premise: "A man is riding a bicycle while holding lumber."
Based on this premise, can we conclude that the hypothesis "A man is balancing work materials for his new house on his bike." is true?
Options:
- yes
- it is not possible to tell
- no
A: We don't know if the materials are for a new house or not.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "A man is wearing a hat and a white shirt."
Hypothesis: "The man is wearing a hat."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: You cannot be wearing a shirt and a hat at the same time.
The answer is yes.

[QUESTION] Given the sentence "A man in a gray shirt is taking notes on a small piece of paper." can we conclude that "There is a man working at his office."?
Options:
- yes
- it is not possible to tell
- no
A man taking notes does not mean he must be working or that he is in an office.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "A boy with a green shirt is burying himself in the sand."
Hypothesis: "A child playing in sand."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: The boy is the child and he is playing in the sand by burying himself.
The answer is yes.

[QUESTION] Premise: "Young student wearing goggles in a lab."
Hypothesis: "A older woman is singing on a stage."
Do we know that the hypothesis entailed by the premise?
Young implies having not lived very long and an older woman has lived for a long time.
The answer is no.