What was the question for this implicit rationale, and corresponding answer?
The lifeguard might be working at a pool and is not necessarily working at the beach.
 The answer: it is not possible to tell
The question: Test for natural language inference.
Premise: "Lifeguard in red shirt sitting in a chair."
Hypothesis: "A lifeguard on his chair at the beach."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell