Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make pasta puttanesca [title] Boil the water. [step] Use a large pot and fill it with water. You should fill it with enough water to cook the pound of pasta.

Ending1: This should be roughly four quarts (8.9 l) of water. The pot does not need to be deep enough to hold all of the cooked pasta. Ending2: If you boil it too quickly, the pasta will not process properly. [substeps] Weigh out the lid of the pot before you add the water. Ending3: Add a bit of salt to the water and bring it to a boil. It will heat up while you're preparing the other ingredients. Ending4: [title] Cook, occasionally adding salt and pepper. [step] Cook until the pasta is almost done, usually in about 10-15 minutes.

Answer format: ending1/ending2/ending3/ending4