[Q] Premise: "A seamstress who had a surprise visitor at work."
Hypothesis: "A seamstress was sunning on her day off."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
[A] If she had a surprise visitor at work she could not be sunning on her day off.
The answer is no.

[Q] Premise: "A small boy wearing a red helmet rides his bicycle down a patterned path."
Hypothesis: "The boy is driving a car."
Do we know that the hypothesis entailed by the premise?
[A] The boy can't be driving a car while riding a bicycle.
The answer is no.

[Q] Given the sentence "A crowd of young people lounge and amble over a large green field against a background of sky and trees." is it true that "A crowd of people are in a bar."?
[A] A crowd can't be in a green field and in a bar.
The answer is no.