Student: Premise: "A man in a river fishing."\nBased on this premise, can we conclude that the hypothesis "The fisherman was trying to catch a small shark." is true?\nOptions:\n- yes\n- it is not possible to tell\n- no.
Teacher: Let's think:

User
A man in a river fishing is not necessarily trying to catch a small shark. So the final answer is it is not possible to tell.
Assistant