[QUESTION] Premise: "An older man and woman exercise on treadmills."
Hypothesis: "A woman and a man are jogging on exercise machines."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
They might only be walking on the machines rather than jogging.
The answer is it is not possible to tell.

[QUESTION] Can we conclude from "Red and white motorbike number 58 races around the track." that "Motorcycle number 58 is red and white and is in first place in the race."?
Options:
- yes
- no
- it is not possible to tell
It possible the motorbike is not in its first place in the race.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "There are multiple people going over a loop on an inverted roller coaster."
Hypothesis: "The people are having fun riding the roller coaster."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Not all people riding a roller coaster would find it fun.
The answer is it is not possible to tell.

[QUESTION] Premise: "A man in black shorts is walking down the sidewalk."
Hypothesis: "There is a man walking."
Do we know that the hypothesis entailed by the premise?
There has to physically be a man for there to be a man walking.
The answer is yes.