QUESTION: Given the sentence "A group of runners run through the park in the winter." can we conclude that "A collection of people are exercising."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: A group of runners can be considered a collection of people and one way to exercise is to run.
The answer is yes.

[QUESTION] Premise: "Brown and black dog with red and white jacket run on road in rural area."
Based on this premise, can we conclude that the hypothesis "A dog follows a car driven by its owner." is true?
Options:
- yes
- it is not possible to tell
- no
The dog may not be brown and black. It could be white.
The answer is it is not possible to tell.

Q: Can we conclude from "A silhouette of a janitor with a broom cleaning up a messy venue." that "A person sleeps on the job."?
Options:
- yes
- no
- it is not possible to tell
A: A person isn't necessarily a janitor. One cannot be cleaning while sleeping.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "Two women on rollerskates with helmets and elbow and knee pads jostle one another as they skate."
Hypothesis: "The championship roller derby match is in progress."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Two women skating and jostling each other aren't necessarily in a championship match.
The answer is it is not possible to tell.

[QUESTION] If "Children mostly in red watching from the back of the bleachers." does that mean that "The children are watching a football game."?
Options:
- yes
- it is not possible to tell
- no
Being on bleachers doesn't mean the children are watching a football game.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "A person is observing photos that are in frames on a wall."
Hypothesis: "They are old and yellowed."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
Not all photos in frames on a wall are old and yellowed.
The answer is it is not possible to tell.