QUESTION: Can we conclude from "A man speaking at a conference." that "The man is speaking."?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: If someone is speaking at a conference then they must actually be speaking.
The answer is yes.

[QUESTION] Premise: "A man in a black shirt fishing on a rocky shore."
Based on this premise, can we conclude that the hypothesis "A man is fishing with a net." is true?
Options:
- yes
- it is not possible to tell
- no
The man may not be using a net to fish at all.
The answer is it is not possible to tell.

Q: Given the sentence "A black-haired woman is riding on a subway." can we conclude that "A black-haired woman is riding on top of a subway train."?
Options:
- yes
- it is not possible to tell
- no
A: If one is riding on a subway they cannot also be on top of the train.
The answer is no.

QUESTION: If "A small child is holding a pink ball of yarn." does that mean that "A child has some yarn."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: The child is holding a pink ball of yarn therefore he has some yarn.
The answer is yes.

[QUESTION] Given the sentence "A crowd of people walking along a busy street." can we conclude that "The couple walks down the deserted road."?
Options:
- yes
- it is not possible to tell
- no
Crowd of people is not the couple. Busy street cannot be a deserted road.
The answer is no.

Q: Test for natural language inference.
Premise: "A man wearing a white uniform cuts a tree in front of a white house."
Hypothesis: "Nobody is cutting."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
If a man cuts a tree then nobody can't be cutting.
The answer is no.