Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: Man standing in a boat implies he is floating on water.
 The question and answer:
Test for natural language inference.
Premise: "A man is standing in a boat on a river surrounded by trees."
Hypothesis: "A man is floating on water."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The answer is yes