Student: Premise: "One man riding a sail in water."\nBased on this premise, can we conclude that the hypothesis "One man riding a sail with a friend." is true?\nOptions:\n- yes\n- it is not possible to tell\n- no.
Teacher: Let's think:

User
One man riding a sail in water isn't necessarily with a friend. So the final answer is it is not possible to tell.
Assistant