Q: Given the sentence "A man in black runs a race." can we conclude that "A man dressed in black is running a marathon."?
Options:
- yes
- it is not possible to tell
- no
A: The race the man is running may not be a marathon.
The answer is it is not possible to tell.

QUESTION: Given the sentence "A darkly dressed jogger running towards an overpass on a sunny day." can we conclude that "A darkly dressed man is running outside on a sunny day."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Running towards an overpass does not necessarily mean they are outside.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A man in a tropical shirt is playing piano in a bar."
Hypothesis: "The man is playing the piano."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The person is a man because he is a man in a tropical shirt.
The answer is yes.

Q: Given the sentence "Two groups of people are walking by a statue." is it true that "Groups of people are walking."?
A: Tow groups constitutes groups and people walking by a statue are walking.
The answer is yes.

QUESTION: Can we conclude from "An ashtray sits next to a chessboard." that "There is a game board on a table next to an ashtray."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Game board doesn't imply chessboard. The fact that the ashtray sits next to the chessboard doesn't imply it is on a table next to the ashtray.
The answer is it is not possible to tell.

QUESTION: Premise: "Police officer watching woman exit from bus."
Hypothesis: "A police officer knocks on a woman's door."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Police watching woman exit from a bus is not knocking at her door.
The answer is no.