Please choose the correct ending to complete the given sentence: Health: [header] How to read food labels to find allergens [title] Look for an announcement on the label itself. [step] Many countries now have standard labeling for the most common types of food allergens. For example, a label might state " may contain traces of nuts, dairy, and soy ", even though none of these ingredients were listed separately.

Ending1: When determining the food allergen label, look for the words " manufactured " or " products made after the 1976 factory manufacture date " or " products made before the 1998 factory manufacture date ". [substeps] Some companies such as l.l. Ending2: [substeps] Serving labels can also provide a helpful guide. It may also provide an idea of whether to preheat the oven or cook your food for more than 30 minutes. Ending3: [substeps] If only one food was listed, the label would have either two or three of the same ingredients listed. [title] Know the maximum amount of food allergens. Ending4: On the other side, a label may make it absolutely clear that it is allergy-friendly, such as " contains no soy or gluten ". [title] Look for the words used for common allergens.

Answer format: ending1/ending2/ending3/ending4