Q: Premise: "A man is eating a piece of corn on the cob."
Hypothesis: "The man is at a picnic."
Do we know that the hypothesis entailed by the premise?
A: A man is eating a piece of corn on the cob does not indicate that he is at a picnic.
The answer is it is not possible to tell.

Q: Premise: "A boy skateboarding off a concrete slab."
Hypothesis: "A boy is spending a summer afternoon practicing for an upcoming skateboarding competition."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A: The boy could be skateboarding at times other than a summer afternoon and he may not be practicing for a competition.
The answer is it is not possible to tell.

Q: Premise: "A red."
Based on this premise, can we conclude that the hypothesis "Goodyear race car." is true?
Options:
- yes
- it is not possible to tell
- no
A: The vehicle is capable of travelling at the speed of light.
The answer is no.

Q: Given the sentence "Two dogs race around the course." is it true that "Two dogs are sleeping."?
A:
The dogs cannot race and be sleeping at the same time.
The answer is no.