QUESTION: Given the sentence "An asian man on a train wearing headphones." is it true that "A man listens to music on the train."?

Let's solve it slowly: Not every headphones clad man on a train listens to music.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "An older man with a marathon number on his chest is on the street with several other people."
Hypothesis: "Nobody is in a martahon."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Either nobody is in the marathon of the older man with a marathon number is in the marathon.
The answer is no.

Q: Test for natural language inference.
Premise: "A boy in a camouflage coat is jumping onto a snowboard."
Hypothesis: "The boy is playing on the snowboard."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: One who is jumping onto a snowboard is playing on the snowboard.
The answer is yes.

QUESTION: Test for natural language inference.
Premise: "A man editing a black and white photo at a computer with a pencil in his ear."
Hypothesis: "A woman is editing a black and white photo."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell

Let's solve it slowly: Either a man or woman can edit a photo not both.
The answer is no.

[QUESTION] Can we conclude from "Two men riding a dirt bike and one is falling off into a mud puddle." that "Two friends are riding dirt bike."?
Options:
- yes
- no
- it is not possible to tell
Two men riding a dirt bike and one is falling off into a mud puddle does not necessary that two friends are riding dirt bike.
The answer is it is not possible to tell.

Q: Test for natural language inference.
Premise: "Two white dogs play on the green grass."
Hypothesis: "Two white dogs are playing with some children outside on the grass."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
Two dogs playing does not mean they are also playing with children outside.
The answer is it is not possible to tell.