Given the sentence "A man in the shadows is walking towards a brick building." can we conclude that "It was dark outside while he walked."?
Options:
- yes
- it is not possible to tell
- no

it is not possible to tell
Explanation: Walking in the shadows does not mean it was dark outside while walked is past tense and not present..

Premise: "Two men are working on the rooftop of a building."
Hypothesis: "They are having a tea party in the park."
Do we know that the hypothesis entailed by the premise?

no
Explanation: If people are having a tea party then they are no engaged in working. If someone is in the part they are not on the rooftop of a building..

Test for natural language inference.
Premise: "Two friends catch up over a couple of drinks."
Hypothesis: "Two friends catch up over a mexican meal."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

no
Explanation: The friends either catch up over a Mexican meal or drinks..

Test for natural language inference.
Premise: "A girl standing on the beach is holding up a dead octopus."
Hypothesis: "A girl is at a fish market."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
no
Explanation: If a girl is on the beach then she is not at a fish market..