[QUESTION] Given the sentence "A man cleans up trash on a sidewalk." can we conclude that "A sanitation worker is cleaning up trash."?
Options:
- yes
- it is not possible to tell
- no
The man cleaning the trash need not be a sanitation worker.
The answer is it is not possible to tell.

Q: If "Two dogs play together." does that mean that "Dogs are locked in different cages."?
Options:
- yes
- it is not possible to tell
- no
A: Dogs cannot play together and be locked in different cages simultaneously.
The answer is no.

QUESTION: Test for natural language inference.
Premise: "Three young students sitting at tables in the library working on homework."
Hypothesis: "The students watch a baseball game."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: The students either watch a baseball game or they are in the library working on homework.
The answer is no.

[QUESTION] Premise: "This farmer cuts into his harvested fruit with a machete to sell in the market."
Based on this premise, can we conclude that the hypothesis "A farmer uses a machete." is true?
Options:
- yes
- it is not possible to tell
- no
One must use a machete to cut into harvested fruit with a machete.
The answer is yes.

Q: Given the sentence "The man in the orange shirt is running a marathon." can we conclude that "The black man runs a race."?
Options:
- yes
- it is not possible to tell
- no
A: Not all male marathon runners are black. The marathon may not be a race against other participants.
The answer is it is not possible to tell.

[QUESTION] Given the sentence "The two men wearing ties stand in front of the ""sound of kildare"" bus." can we conclude that "Two men are driving a bus."?
Options:
- yes
- it is not possible to tell
- no
People cannot simultaneously be standing in front of a bus and driving it at the same time.
The answer is no.