Please answer the following question by reasoning step-by-step. Test for natural language inference.\nPremise: "A man is working under a white vehicle while a child watches him."\nHypothesis: "A younger man is working on a car."\nIs the hypothesis entailed by the premise?\nOptions:\n- yes\n- no\n- it is not possible to tell. Step-by-step reasoning:
User
A man is not necessarily a younger man and a vehicle is not necessarily a car. So the answer is it is not possible to tell.
Assistant