Given the stream of consciousness rationale, provide a reasonable question and answer. Rationale: A man holding plastic toys while a man smiles doesn't necessarily mean the men are father and son.
 The question and answer:
Premise: "A man holding plastic toys looks away while a man wearing a white hat smiles at the camera."
Hypothesis: "The two men are father and son."
Is the hypothesis entailed by the premise?
Options:
- yes
- it is not possible to tell
- no
The answer is it is not possible to tell