Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to keep cats off cars [title] Use a cat repellent spray. [step] Look for all-natural sprays that won't damage the paint on your car. Try spraying the ground around your car first.

Ending1: This will give the problem some time to dissipate before it solidifies and pops back in. [substeps] Never put pets in the spray, especially the cats. Ending2: Then spray your car while the cat is in the opposite car. [substeps] A repellent spray is a spray used to ensure that your vehicle is not being harassed by the cat. Ending3: If the cat continues to sit on your car, spray the car directly every night before bed. [title] Sprinkle cat-repelling powder on your car. Ending4: If your car has a gravel driveway, use a bowl of gravel to sprinkle over your tires. Label your spray' safe spray' or' hazard spray.

Answer format: ending1/ending2/ending3/ending4