[QUESTION] Given the sentence "Two people engage in conversation over an interesting topic." can we conclude that "Two people are having an interesting conversation."?
Options:
- yes
- it is not possible to tell
- no
Engage in conversation is the same as having an interesting conversation.
The answer is yes.

[QUESTION] Test for natural language inference.
Premise: "Three muzzled black dogs race through the grass."
Hypothesis: "Three dogs run through grass."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The dogs that race through the grass can also be illustrated as having them simply run together.
The answer is yes.

[QUESTION] Premise: "A dark-haired boys is covered in dust."
Hypothesis: "There is a boy covered in dust."
Do we know that the hypothesis entailed by the premise?
It implies that of the dark-haired boys there is a single boy covered in dust.
The answer is yes.

[QUESTION] If "A boy plays in the surf at sunset." does that mean that "There is a boy playing in water."?
Options:
- yes
- it is not possible to tell
- no
A boy plays in the surf means he plays in water.
The answer is yes.