Q: Test for natural language inference.
Premise: "A boy at the park under the trees."
Hypothesis: "The grass is green."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: There may not be grass and it could be a color other than green.
The answer is it is not possible to tell.

QUESTION: Test for natural language inference.
Premise: "People walking in a 5k race."
Hypothesis: "Runners and walkers participate in this charity event."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Runners and walkers can walk in a 5k race without it being a charity event.
The answer is it is not possible to tell.

[QUESTION] Premise: "Three oriental young ladies are walking down a stone pathway."
Hypothesis: "The car would not start."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Young ladies and a car are occurring in two different situations.
The answer is no.

Q: Test for natural language inference.
Premise: "A man paragliding over a valley and a lake."
Hypothesis: "He is going home."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: A man paragliding does not mean that he is going home.
The answer is it is not possible to tell.

QUESTION: Given the sentence "A man and a woman make an exchange at a yard sale." can we conclude that "Southeby's is running the sale and their sign is visible."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: If Southeby's is running a sale a man and woman may not be making an exchange.
The answer is no.

QUESTION: Given the sentence "Two male officers standing by a archway." can we conclude that "The officers are looking for the convict in the rundown apartments."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly:
Standing by an archway does not imply looking for a convict and an archway does no imply rundown apartments.
The answer is it is not possible to tell.