Given the stream of consciousness rationale, provide a reasonable question and answer. Rationale: The dog who swims cannot be one who walks at the same time.
 The question and answer:
Test for natural language inference.
Premise: "A small dog swims in a pool."
Hypothesis: "A dog walks on a leash on the concrete by a pool."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
The answer is no