Please answer the following question by reasoning step-by-step.
Test for natural language inference.\nPremise: "A man smiles as he looks down at an orange sports car that's parked at a curb."\nHypothesis: "He's happy because he just purchased the sports car."\nIs the hypothesis entailed by the premise?\nOptions:\n- yes\n- no\n- it is not possible to tell

it is not possible to tell
Smiles does not necessarily mean happy and looks down does not mean he just purchased.

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So, the final answer is it is not possible to tell