Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: The dog cannot be digging a hole and eating its food simultaneously.
 The question and answer:
Test for natural language inference.
Premise: "A tan dog digging a hole at the edge of the sand."
Hypothesis: "The dog is eating its food."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The answer is no