Q: Given the sentence "A street sweeper patrols the sidewalk." is it true that "A police officer patrols the sidewalk."?
A: One individual cannot fulfill the role of a street sweeper and a police officer simultaneously.
The answer is no.

Q: Test for natural language inference.
Premise: "The black dog is jumping up in the air."
Hypothesis: "The dog is using its rear legs."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: The dog jumping implies that the dog is using his rear legs.
The answer is yes.

Q: Premise: "A person with a brown backpack overlooks mountainous terrain in the distance."
Hypothesis: "A guy stands near a cliff."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: A guy standing near a cliff does not always mean he is looking at mountainous terrain.
The answer is it is not possible to tell.

Q: Premise: "Water streaming from a young woman in a swimming pool flipping her wet hair backwards."
Based on this premise, can we conclude that the hypothesis "The woman was taking part in a sit in on campus." is true?
Options:
- yes
- it is not possible to tell
- no
A:
The woman sitting on campus contradicting with woman flipping her wet hair.
The answer is no.