Q: If "A dirt bike rider on a green dirt bike spraying dirt next to a crowd in a race." does that mean that "The dirt bike rider is racing."?
Options:
- yes
- it is not possible to tell
- no
A: If the bike rider is in a race then it must mean that he is racing.
The answer is yes.

QUESTION: Given the sentence "A large number of people gather around a body of water." can we conclude that "The people gathered for a picture around the water."?
Options:
- yes
- it is not possible to tell
- no

Let's solve it slowly: Just because they gather around a body of water doesn't mean it is for a picture.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "Two white dogs are laying in the doorway of a wooden floored apartment."
Hypothesis: "Two white dogs are laying in the doorway."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Dogs laying in the doorway of an apartment must be laying in the doorway.
The answer is yes.

Q: Given the sentence "A girl is walking by a window with a purse." can we conclude that "A girl has a purse and is walking to meet a friend for lunch."?
Options:
- yes
- it is not possible to tell
- no
A: The fact a girl is walking by a window with a purse doesn't imply that she is walking to meet a friend for lunch.
The answer is it is not possible to tell.

QUESTION: Premise: "A woman holds a young boy who has a wooden spoon in his mouth."
Hypothesis: "She held the boy."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: A woman holds a boy is a rephrasing of she held a boy.
The answer is yes.

QUESTION: Given the sentence "A man jumping a bicycle over a dirt path surrounded by trees." is it true that "A man on a bike."?

Let's solve it slowly:
Someone jumping a bicycle over a dirt path must be on a bike.
The answer is yes.