Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to cook frozen broccoli [title] Bring a pot of saltwater to a boil. [step] Fill a pot with with water. Stir in a heaping tablespoon of salt.

Ending1: Bring the water to a boil in the pan with the lid on. As the water boils, the broccoli will start to lose some color. Ending2: Add the broccoli and cook it until it is tender. [substeps] If possible, measure out a 1 gallon (3.7 l) pot. Ending3: Place the pot on a burner over high heat. Wait for the saltwater to come to a boil. Ending4: Allow the water to come to a boil, then add about 2 cups (400 g) of fresh broccoli florets. [substeps] When the water boils, remove the frozen florets.

Answer format: ending1/ending2/ending3/ending4