Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to pack food items using air cushions [title] Create a base. [step] Interleaving allows you to pack several items in 1 box. This is particularly useful for large items like beer and champagne bottles, therefore you should insert one air cushion into the base layer of the box.

Ending1: Space each of the boxes 4 inches (10 cm) apart. This will allow enough space so that the contents on each box cannot be compressed. Ending2: To achieve that, you can insert multiple air cushions into this base layer. [substeps] If possible, use the air cushions to create a different base layer for each item. Ending3: If you have multiple air cushions for bigger categories (such as food), you can place a separate air cushion into the base layer of each box. [substeps] Situate the air cushion higher up into the box. Ending4: [title] Place the item (s) onto the air cushion. [step] You may find that organizing it in a particular way will help you fit more into it.

Answer format: ending1/ending2/ending3/ending4