Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to teach your pet not to be scared of the vacuum cleaner [title] Store the vacuum in an open area. [step] When the vacuum cleaner is not in use, place it where your pet can easily see it. Being around the vacuum while it is not making noise should help your pet view the cleaner as something other than a threat.

Ending1: [substeps] If the vacuum stays in use for too long in a confined area, choose a suitable safe space. If you are concerned about squirrels, spiders, or other animals feeling startled, store it in a cardboard box or paper cup. Ending2: [substeps] Place your vacuum in a well-ventilated area of your home. [title] Place the dishwasher at the end of the line. Ending3: Try keeping the vacuum out of reach and allow your pet to see it without fear of it swinging or moving. [substeps] Keep your cat in your lap, indoors. Ending4: [title] Keep the vacuum low to the ground. [step] Make sure the vacuum is as close to the ground as possible.

Answer format: ending1/ending2/ending3/ending4