Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to detect freezer burn [title] Look the food packaging. [step] An opening in the food packaging or a tear in the plastic indicate that the food has been exposed to cold, outside air, and has a higher chance of being freezer burned. [title] Inspect the food.

Ending1: [step] Remove the food from the packaging, and check the food for dry areas, areas of discoloration, and ice crystals. Food with any of these qualities, is highly likely to be freezer burned. Ending2: [step] The first step to determining whether your food was exposed to freezer burn is to take a look at your food. What treats, movie or beer have you seen every day? What food seemed to be healthy when its exposed? This will help you evaluate whether or not it was freezer burned. Ending3: [step] This is a matter of observation, as food in the freezer may have been exposed to a heat source when it was packaged. If food appears cooked, soiled, or otherwise unclean, this can be a large cause of a freezer burn. Ending4: [step] Unwrap the food from the packaging and examine it for ice crystals. If there are ice crystals clogging the opening in the food, the food has been the victim of freezer burn.

Answer format: ending1/ending2/ending3/ending4