Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to get a dog to stop whining [title] Keep track of when they whine. [step] Is there a particular catalyst for their whining? Which situations cause them to act up the most? Take notes about the context for each time you hear them whining. More often than not, there'll be a pattern that you can recognize if you're alert to it.

Ending1: [substeps] The ordinary sound of running water often interrupts a dog from pawing the ground or whining. A normal whine is one they tend to curl into themselves. Ending2: [substeps] Pay attention to whether they whine more frequently or less frequently. If they start whining three times during a stressful situation, their whining is definitely a sign of boredom. Ending3: [substeps] Listen for whining when they're complaining about a specific problem. For example, it could be at work, with employees or people they work with. Ending4: [substeps] Once you identify the patterns and contexts for their whining, it will help you create a strategy for addressing it. [title] Figure out if it's related to a medical condition.

Answer format: ending1/ending2/ending3/ending4