Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to know if meat is bad [title] Examine the meat's package for an expiration date. [step] The shelf life for red meat is approximately 1-3 days if it is raw and 7-10 days if it is cooked. Throw away any meat that has passed this expiration date to avoid food poisoning.

Ending1: [substeps] Open the boxes of meat or store unopened meat in the refrigerator. Check to see if they have been eaten. Ending2: [substeps] Read the appropriate label to ensure it meets expiration date. For example, the packaging might say' raw' instead of' cooked' and it would look like this: " original meat. Ending3: [title] Note the cleanliness of the meat. [step] Red meat usually has a clean surface. Ending4: [title] Check the meat for a foul smell. [step] If your meat smells rancid, it most likely is.

Answer format: ending1/ending2/ending3/ending4