Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to prevent cats from jumping on counters [title] Create your own environmental punishers. [step] Environmental punishers-also called " remote correction "-involve disciplining the cats without being present yourself, so the cats don't link the punishment to you. If you punish your cats for jumping on off-limits surfaces yourself, they will learn to keep off counters only when you're at home.

Ending1: One of the biggest drawbacks of this discipline is that there's no need to threaten to do so, as cats are sensitive to threats. Call the police if you think your cats may jump on counters. Ending2: [substeps] Block off any way the cats can jump. For instance, you can use a cat flap to block off both getting and jumping off counters. Ending3: If you do want to punish the cats, cut off access to any windows, doors, and other places that don't require your attention. Give them scary scares when you're home. Ending4: You can create some devices for remote correction yourself, but never create a deterrent that might hurt your cat (s). [title] Place light baking sheets at the counter's edge.

Answer format: ending1/ending2/ending3/ending4