Student asked: Premise: "Dirty bikers are racing in a dirt track."
Hypothesis: "Some racecars are driving around a paved track."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. Bikers are on bikes not race cars. Racing and driving are two different activities. Dirt is different than paved. The answer is no.

Student asked: Given the sentence "A man in a red shirt is doing something with a bicycle tire." can we conclude that "A man fixes his bike tire."?
Options:
- yes
- it is not possible to tell
- no
Teacher's response: Let's think. A man doing something to a bicycle might not be doing fixes to it and it might not be his bike. The answer is it is not possible to tell.

Student asked: Given the sentence "A woman with brown curly hair riding on some sort of public transportation." is it true that "A woman with brown hair is on the bus."?
Teacher's response: Let's think. A woman with brown curly hair riding on some sort of public transportation does not imply that she is on the bus. The answer is it is not possible to tell.

Student asked: Premise: "A man in jeans plays with a white and brown dog at the beach."
Hypothesis: "A man is playing with his dogs indoors."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
Teacher's response:
Let's think. A man can't play with dogs on the beach if he is indoors. The answer is no.