Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to grill sausage [title] Boil the sausage links for 10 to 15 minutes before you grill them. [step] This process is called parboiling: it reduces the amount of time the sausages have to be on the grill and simplifies the grilling process. You can parboil sausage in advance so it is " grill-ready.

Ending1: " after 10 to 15 minutes, reduce the heat and let the sausage hang on the grill for 1 to 2 minutes. [title] Cover the heat once the sausage is on the grill and simmer for 5 to 10 minutes. Ending2: " [substeps] Place the sausage in a heavy skillet on the stove. Add just enough water to cover the links. Ending3: " [title] Use a broiler pan to preheat the oven. [step] Preheat the oven to 375 degrees fahrenheit (190 degrees celsius). Ending4: " [substeps] Cooking the sausage links for the first time is called " parboiling " and can put a damper on their progress. You can cook the sausages in the microwave or use the same method to fully sauté the sausages.

Answer format: ending1/ending2/ending3/ending4