Given the stream of consciousness rationale, provide a reasonable question and answer. Rationale: Just because a hiker is crossing a waterfall does not mean he is heading back to camp.
 The question and answer:
user
Test for natural language inference.
Premise: "Hiker crossing a waterfall."
Hypothesis: "The hiker is heading back to his camp."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The answer is it is not possible to tell
assistant