Student asked: Premise: "A person on a snowboard crosses a makeshift wooden bridge."
Based on this premise, can we conclude that the hypothesis "A snowboarder realizes he is lost and chooses to cross the bridge in search of the trail." is true?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A snowboarder could cross abridge for other reasons that being lost or in search of the trail. The answer is it is not possible to tell.


Student asked: Can we conclude from "A woman smiles as she gives a presentation on a microphone." that "A woman smiles because she is happy."?
Options:
- yes
- no
- it is not possible to tell
Teacher's response: Let's think. Smiling while giving presentation on a microphone does not mean that she is happy. The answer is it is not possible to tell.


Student asked: Premise: "Bystanders rest on nearby poles."
Hypothesis: "Bystanders rest on poles."
Do we know that the hypothesis entailed by the premise?
Teacher's response: Let's think. Bystanders who rest on nearby poles are bystanders resting on poles. The answer is yes.


Student asked: Test for natural language inference.
Premise: "An older black women wearing a straw hat and striped dress sits on periwinkle bench whilst grasping her cranberry-colored coat."
Hypothesis: "An old black woman is laying down."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
Teacher's response:
Let's think. The old black woman laying down contradicts the old black woman in sentence 1 who is sitting on a bench. The answer is no.