Please answer the following question by reasoning step-by-step.
Premise: "The man is fishing with a cast net on a very small boat."\nBased on this premise, can we conclude that the hypothesis "A fisherman tries to catch sharks on his small rowboat." is true?\nOptions:\n- yes\n- it is not possible to tell\n- no

it is not possible to tell
Cast a net does not imply to try to catch sharks.

.

Thus, the answer is it is not possible to tell