[QUESTION] Can we conclude from "A line of workers walking down stairs." that "Many people are on the stairs."?
Options:
- yes
- no
- it is not possible to tell
Workers are people and if there is a line of them then there are many.
The answer is yes.

Q: Test for natural language inference.
Premise: "Two men and a child working outside on different equipment."
Hypothesis: "Some people are outdoors."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: Two men and a child are some people. Outside is outdoors.
The answer is yes.

QUESTION: If "An old man holds the leash of a white mule dragging a red cart." does that mean that "The man owns the mule and cart."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Just because he is holding the leash does not mean he owns the mule and cart.
The answer is it is not possible to tell.

[QUESTION] Premise: "A man holding a flag is standing on a busy sidewalk."
Based on this premise, can we conclude that the hypothesis "A man holds a flag on a sidewalk." is true?
Options:
- yes
- it is not possible to tell
- no
Standing on a busy sidewalk shows that the man is on a sidewalk.
The answer is yes.

Q: Can we conclude from "A man in a yellow shirt is working with wood." that "A man in yellow is holding a rock."?
Options:
- yes
- no
- it is not possible to tell
A: Holding is not the same as working. Wood is not the same as rock.
The answer is no.

[QUESTION] Given the sentence "A man stands by an elevator with his head down." can we conclude that "The man is looking down."?
Options:
- yes
- it is not possible to tell
- no
The man is looking down is a reword of of head down.
The answer is yes.