Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to keep pet urine from damaging lawn [title] Dilute any urine spots on the lawn right away. [step] As soon as you notice any urine spots on your lawn, you should pour several cups of water on the spot to dilute the urine. Diluting the spots with water can help them to fade faster.

Ending1: However, any urine that remains after the water neutralizes better and performs a better job of maintaining the lawn. [substeps] Dilute the water by adding 2 cups (150 ml) of distilled water. Ending2: You can stain your grass in the process. [substeps] Applying pine tar right away should work well as it preserves the grass's natural oils, and can counteract the odor of the urine. Ending3: [substeps] Another option is to give the entire lawn a watering if there are multiple urine spots on the lawn. Most dogs will go to the bathroom in the same spots in the yard so you may check these areas periodically and water them well if there are urine spots. Ending4: There is no precise way to dissolve urine, so it is highly recommend that you use water only as a last resort. [substeps] Avoid replacing urine spots with drops from your animal's shampoo or your dog's natural flavors.

Answer format: ending1/ending2/ending3/ending4