Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to plan activities with your dog [title] Establish a consistent exercise routine. [step] Many of the activities that you and your dog can enjoy together require little to no equipment, and you can do them in your own neighborhood. For instance, you can take your dog for a walk or jog, play fetch in the nearest park, or bring them to the nearest watering hole for a swim.

Ending1: Try to choose activities you feel secure in and perform with control and respect for their quality. [substeps] If you are very invested in owning your dog, this means you will be able to control their activity level without undertaking changes. Ending2: These activities may be exhausting for both your dog and itself, but they need to be at least brief but long-lasting. [substeps] Your dog should find exercise rewarding and appropriate for both them and you. Ending3: Each activity you do will require different equipment and will require different amount of time. [substeps] Keep your dog's schedule in mind when you plan activities. Ending4: The most important factor, especially from your dog's perspective, is keeping a regular schedule. [substeps] Physical activity is extremely important to your dog's health and happiness, not to mention your own.

Answer format: ending1/ending2/ending3/ending4