Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to fill a bean bag chair [title] Inspect the delivered package for damage. [step] Return the package immediately if there is a problem. [title] Inspect carefully your flat bean bag chair, checking for any signs of rips and holes in the fabric.

Ending1: [title] Wipe the rest of the seat with a cotton ball dipped in olive oil. [step] This removes moisture from the fabric and de-stains the seat. Ending2: [step] Make sure it is sturdy enough to support the weight of the item it's carrying. If you suspect your chair is damaged, use a flat car seat. Ending3: [substeps] Loosen one of the seat-bars on the chair or hitch--before placing it back into position and storing it in place until you are ready to show your baby. Some chairs, if sold with no removable pieces, are closed-back. Ending4: [step] Higher quality bean bag chairs, constructed of materials such as leather, tend to be more durable, less likely to puncture and provide greater longevity, but a variety of other materials are available. [title] Have a friend assist you in filling your chair.

Answer format: ending1/ending2/ending3/ending4