QUESTION: Given the sentence "A young girl is sitting on santa's lap." is it true that "A young girl tells santa what she wants for christmas."?

Let's solve it slowly: Not all girls who sit on Santa's lap tell him what they want for Christmas.
The answer is it is not possible to tell.

[QUESTION] Test for natural language inference.
Premise: "A man in a gray shirt jumps over the top of a sand dune in the desert."
Hypothesis: "A man jumps over a sand dune on an atv."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A man jumps over the top of a sand dune in the desert doesn't imply he is on an atv.
The answer is it is not possible to tell.

Q: Premise: "A surfer hams it up for the camera while riding a small ocean wave in front of a backdrop of beach houses."
Hypothesis: "A surfer hams it up for the camera in front of a backdrop of beach houses."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: Small ocean wave in front of a backdrop is a form of backdrop.
The answer is yes.

QUESTION: Premise: "A woman travels by a large octopus sand sculpture on the beach."
Hypothesis: "A woman sweeps the floor."
Do we know that the hypothesis entailed by the premise?

Let's solve it slowly: A woman who travels by a sand sculpture on the beach can't be sweeping the floor as a beach has no floor.
The answer is no.

[QUESTION] If "A man on a bike with an empty one beside him." does that mean that "The man doesn't know how to ride a bike."?
Options:
- yes
- it is not possible to tell
- no
If a person is on a bike they generally know how to ride it and it wouldn't be true that he doesn't know how to ride.
The answer is no.

Q: Test for natural language inference.
Premise: "A guy on street watching someone."
Hypothesis: "The man is the only person in the picture."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:
A guy watching someone implies that there is more than one person.
The answer is no.