Premise: "A guy walking up the stairs holding a briefcase and a book."
Based on this premise, can we conclude that the hypothesis "A man is walking up the stair with his material to teach a class." is true?
Options:
- yes
- it is not possible to tell
- no
Let's solve step-by-step:
A man can have a book and briefcase for things other than to teach a class. The answer is it is not possible to tell.