Student asked: Premise: "A man in a brown hat is swinging an axe."
Hypothesis: "A man is swinging an axe at a log."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. The man with the axe is not necessarily swinging it at a log. The answer is it is not possible to tell.


Student asked: Given the sentence "Adults and children are taking a bike ride on a quiet road." is it true that "Nobody is riding."?
Teacher's response: Let's think. Either nobody is riding or people are taking a bike ride but not both simultaneously. The answer is no.


Student asked: Given the sentence "A cyclist rides down a muddy roped off path through the forest." is it true that "A man is eating dinner."?
Teacher's response: Let's think. A cyclist cannot ride a bike if he is eating dinner. The answer is no.


Student asked: Premise: "A man in a parking lot with the tailgate of his truck down so he can sit on it."
Hypothesis: "A man is standing on the roof of his truck."
Do we know that the hypothesis entailed by the premise?
Teacher's response:
Let's think. The man can not be on the tailgate and on the roof of his truck simultaneously. The man can not be both sitting and standing. The answer is no.