Student asked: Test for natural language inference.
Premise: "A boy and girl in life jackets ride behind a boat in an innertube."
Hypothesis: "A boy and girl in life jackets ride behind a boat in a tube."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. A tube that is pulled behind a boat is also called an inner tube. The answer is yes.


Student asked: Premise: "Man watching child in hallway."
Hypothesis: "A man is babysitting his nephew."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Man watching child in hallway does not necessary that he is babysitting his nephew. The answer is it is not possible to tell.


Student asked: Premise: "Someone in a helmet doing a jump on a bike over a large mound of dirt."
Based on this premise, can we conclude that the hypothesis "A person is driving." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Driving is a different activity from doing a jump on a bike. The answer is no.


Student asked: If "A tennis player wearing a white outfit swings for the ball." does that mean that "The tennis player is outdoors."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. Being a tennis player swinging a ball doesn't imply being outdoors. The answer is it is not possible to tell.