Test for natural language inference.\nPremise: "A postal carrier with a big smile stands on the sidewalk with his cart of mail."\nHypothesis: "A postal carrier with a big smile  is standing on the sidewalk delivering mail."\nIs the hypothesis entailed by the premise?\nOptions:\n- yes\n- no\n- it is not possible to tell Step by step answer:
User
The fact that the postal carrier has mail does not mean that said mail is being delivered. Therefore, the final answer is it is not possible to tell.
Assistant