[Q] If "A man works at repairing a typewriter." does that mean that "The man is a typewriter repairman."?
Options:
- yes
- it is not possible to tell
- no
[A] Trying to repair a typewriter does not indicate that the man is a repairman.
The answer is it is not possible to tell.

[Q] Given the sentence "Four people are cavorting on the rocks at a river's edge." is it true that "Five people are going deep-sea diving on their day off."?
[A] One cannot be cavorting on the rocks while diving in the deep sea.
The answer is no.

[Q] Premise: "A woman with a toddler in a striped dress."
Based on this premise, can we conclude that the hypothesis "A mother looks for her lost toddler." is true?
Options:
- yes
- it is not possible to tell
- no
[A] The woman is with toddler. So the toddler is not lost.
The answer is no.