Use reasoning to lead to the answer of the following question:
The amateur didn't realize his chicken wouldn't lay enough eggs without a what?\nOptions:\n- tuna\n- eaten\n- rooster\n- cow\n- chopped
 Reasoning process:
User
Rooster is needed to lay enough eggs. Rooster is an animal. Rooster is also called a cock. Therefore, the final answer is rooster.
Assistant