Given the following reasoning and answer, what was the question? People can work in a laboratory for many reasons aside from looking for a cause of death.
 The answer: it is not possible to tell
The question Premise: "Two men and two women working in a laboratory of some sort."
Hypothesis: "They are trying to find out the cause of death."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no