Reconstruct a question, answer pair from this explanation: Smiles does not necessarily mean happy and looks down does not mean he just purchased.
Q:Test for natural language inference.
Premise: "A man smiles as he looks down at an orange sports car that's parked at a curb."
Hypothesis: "He's happy because he just purchased the sports car."
Is the hypothesis entailed by the premise?
Options:
- yes
- no
- it is not possible to tell
A:it is not possible to tell