Student: Premise: "A guy walking up the stairs holding a briefcase and a book."\nBased 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?\nOptions:\n- yes\n- it is not possible to tell\n- no.
Teacher: Let's think:

User
A man can have a book and briefcase for things other than to teach a class. So the final answer is it is not possible to tell.
Assistant