Finish the following sentence with the best choice: How to properly house a whale?

Choices:
- House it is a water proof closed tank filled with water, keep the top closed so that the whale can breathe.
- House it is a water proof open tank filled with water, keep the top open so that the whale can breathe.

Answer:
House it is a water proof open tank filled with water, keep the top open so that the whale can breathe.