Student: Test for natural language inference.\nPremise: "A tennis player hitting the ball."\nHypothesis: "The tennis player serves the ball."\nIs the hypothesis entailed by the premise?\nOptions:\n- yes\n- no\n- it is not possible to tell.
Teacher: Let's think:

User
A tennis player could be hitting the ball back at the player who serves it. So the final answer is it is not possible to tell.
Assistant