Multi-choice problem: Choose from the options at the end, and answer how do you do this: How can I fill the pond I just made in my backyard?

Choose from:
[a]. Take a hose, turn it on and lay the hose into the pond, watch it fill to the top, making sure to stop it when the water reaches the top..
[b]. Take a cup and fill it with water, pour the cup of water into the pond one cup at a time, making sure to stop pouring when the water reaches the top?.
[a].