Finish the following sentence with the best choice: Knock out a fish before cleaning.

Choices:
- Hit it with the sharp edge of your knife by the dorsal surface of the fish to either knock it unconscious or kill it.
- Hit it with your hand or on a rock by the dorsal surface of the fish to either knock it unconscious or kill it.

Answer:
Hit it with your hand or on a rock by the dorsal surface of the fish to either knock it unconscious or kill it.