QUESTION: Given the sentence "A man joyfully throws his son while swimming." is it true that "A man plays with his son in the sand."?

Let's solve it slowly: The man and son are either swimming or playing in the sand.
The answer is no.

[QUESTION] Test for natural language inference.
Premise: "Two children stand with a net by a shallow shore."
Hypothesis: "Two children have a net."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
If two children stand with a net it follows that they have a net.
The answer is yes.

Q: Premise: "A swimmer about to start a race."
Based on this premise, can we conclude that the hypothesis "The swimmer is laying under a tree." is true?
Options:
- yes
- it is not possible to tell
- no
A: A swimmer who is about to start a race could not also be laying.
The answer is no.

QUESTION: Premise: "A young man is leaning on a tree in the grass and reading a book."
Hypothesis: "A young man leaning on tree."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: Someone leaning on a tree in the grass and reading a book is not just leaning on a tree.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "Young woman enjoying herself playing pool." is it true that "A young woman is playing pool with her friends."?
She can be playing with here self alone and does not need to be with friends to be enjoying herself.
The answer is it is not possible to tell.

Q: If "A baseball player is running the bases." does that mean that "A person is running."?
Options:
- yes
- it is not possible to tell
- no
A:
A baseball player is a person who plays the game by running.
The answer is yes.