Given the stream of consciousness rationale, provide a reasonable question and answer. Rationale: The stewardess can not both be careful and not paying attention.
 The question and answer:
Premise: "An airline stewardess is carefully rolling her drink cart down the aisle."
Hypothesis: "The stewardess isn't paying attention to where she's going."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
The answer is no