Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to barbecue safely [title] Keep food cool. [step] It is important to keep the food refrigerated until you cook it. This means that it is better to barbecue in batches rather than leaving meat and other barbecue foods sitting out waiting in the open, uncooked.

Ending1: [title] Heat the barbecue to a low temperature. [step] Ensure that the temperature is no higher than room temperature, or else you will burn your meat. Ending2: Bring each new batch for cooking direct from the fridge to the barbecue every time it is ready to be cooked. If you are marinating your meat be sure to let the meat marinade in the fridge. Ending3: If necessary, freeze foods because of condensation, splitting the cooking process down the middle and clearing out excess fat and warmth. [title] Turn off the oven to save burning. Ending4: [substeps] Try to keep food cool between oven and freezer time, while getting ready for barbecuing. Wearing heat resistant gloves or your oven mitts, place food on a plate.

Answer format: ending1/ending2/ending3/ending4