Q: If "A group of students work on a project." does that mean that "While world flags hang above their heads."?
Options:
- yes
- it is not possible to tell
- no
A: A group of exchange students are working on a team building exercise.
The answer is it is not possible to tell.

Q: Premise: "An old couple facing away from the camera walk down a garden path."
Hypothesis: "An old couple is outside."
Do we know that the hypothesis entailed by the premise?
A: The couple is walking down a garden path so they must be outside.
The answer is yes.

Q: Test for natural language inference.
Premise: "A little girl in a red dress is standing on a trail in the forest with a horse in the background."
Hypothesis: "A girl is waiting to ride her horse."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: A girl can stand next to a house and it doesn't mean it is her horse.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "A old man washing the windows of city lights books."
Hypothesis: "There is an old man."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
There has to be an old man there to have an old man washing the windows.
The answer is yes.