Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: The student can't be graduating if he's still taking an exam.
 The question and answer:
Premise: "A student at a 2012 graduation is shaking someone's hand from his seat."
Based on this premise, can we conclude that the hypothesis "A student taking an exam." is true?
Options:
- yes
- it is not possible to tell
- no
The answer is no