Student: Premise: "An oriental man and woman are sitting in a subway train."\nHypothesis: "An older couple is glad to have been offered seats on the crowded subway train."\nIs the hypothesis entailed by the premise?\nOptions:\n- yes\n- it is not possible to tell\n- no.
Teacher: Let's think:

User
A man and woman sitting in a subway train need not necessarily be an older couple.A man and woman sitting in a subway train need not necessarily be glad.The seats on which a man and woman sitting in a subway train need not necessarily be offered seats.The subway train need not necessarily be crowded always. So the final answer is it is not possible to tell.
Assistant