Q: If "Several men in blue shirts and western hats observe cattle behind a fence." does that mean that "There are no people outside."?
Options:
- yes
- it is not possible to tell
- no
A: Either there are several men observing or there are no people. People can't exist and not exist simultaneously.
The answer is no.

Q: Test for natural language inference.
Premise: "Asian men waiting in line many with earphones in their ears."
Hypothesis: "The asian men are standing together."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A: The men are waiting in line which implies that they are standing together.
The answer is yes.

Q: Given the sentence "Men and women participate in marathon." can we conclude that "Nobody is participating in the marathon."?
Options:
- yes
- it is not possible to tell
- no
A: Nobody is participating is not the same as men and women participate.
The answer is no.

Q: Premise: "A man in a neon-green vest riding a neon-green motorcycle."
Hypothesis: "A man riding a bicycle."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
A:
A man can���t ride a bicycle and motorcycle at the same time.
The answer is no.