This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to make spaghetti pizza
Preheat oven to 425 fahrenheit (220 celsius).
Grease a 9 x 13 inch baking dish.
Boil the spaghetti with the water and salt.

OPTIONS:
--Add spaghetti noodles and toss them with the hot water. Continue cooking the spaghetti until the noodles are tender..
--Let the noodles boil and turn them frequently so they cook evenly. Don't let the noodles move around too much, otherwise they will not cook evenly..
--Cook until the spaghetti noodles are soft, usually about 7-10 minutes. Drain the spaghetti in a colander and place it in the baking dish..
--Add 1 1/2 tbsp of melted butter and 1 tbsp of baking soda to make the spaghetti sauce. Stir the ingredients until they're well combined and evenly coated..
The answer is:
Cook until the spaghetti noodles are soft, usually about 7-10 minutes. Drain the spaghetti in a colander and place it in the baking dish.