Q: Premise: "A man is rock climbing at sunset."
Based on this premise, can we conclude that the hypothesis "A climber is nearly to the top of a cliff." is true?
Options:
- yes
- it is not possible to tell
- no
A: Just because he's climbing a rock doesn't mean he's anywhere near the top of a cliff.
The answer is it is not possible to tell.

Q: Premise: "Two people on motorbikes."
Hypothesis: "Two people on motorized bikes."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: Two people on motorbikes does not imply they are on motorized bikes.
The answer is it is not possible to tell.

Q: Given the sentence "A busy street with lots of people walking down the sidewalk on an overcast day." can we conclude that "The street is filled with dogs."?
Options:
- yes
- it is not possible to tell
- no
A: Filled with dogs is different than filed with lots of people.
The answer is no.

Q: Test for natural language inference.
Premise: "A man stands in a lighted set room."
Hypothesis: "A woman stands in a lighted set room."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
A person can either be a man or a woman but not both.
The answer is no.