[QUESTION] Premise: "Men and women walking down a sidewalk."
Hypothesis: "Man and woman go to work."
Do we know that the hypothesis entailed by the premise?
Men and women walking down a sidewalk doesn't mean they are on their way to go to work.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A man is sweeping trash into a pan while a group of people are walking by."
Hypothesis: "A woman is sweeping trash into a pan while a group of people are walking by."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The person sweeping trash can't be both a man and a woman.
The answer is no.

[QUESTION] Test for natural language inference.
Premise: "A religious protester holding a sign."
Hypothesis: "A religious protester protesting against satan and his tricks."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A protester does not have to be protesting against Satan to be holding a sign.
The answer is it is not possible to tell.

[QUESTION] Premise: "Two dogs are fighting over a plastic bag."
Hypothesis: "There is a plastic bag."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
If the dogs are fighting over a bad then there is a bag.
The answer is yes.