Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to treat canine acne [title] Recognize the symptoms of canine acne. [step] In the early stages, you may notice pink raised spots on the chin or lips. When you run a finger over the spots they feel bumpy, like local roughening on the skin surface.

Ending1: Sometimes the pup experiences mild irritation and rubs his chin along the ground. [substeps] If the spots become infected, the lumps may burst and exude a sticky discharge. Ending2: You may also look for green, fever-like spots you can see around your jaw line. Your dog may also complain of hives; however, they're usually not especially painful and likely to go away on their own. Ending3: Just be aware that these symptoms are not due to lesions. To begin treatment, gather the following supplies : [substeps] A body wash and a range of cleansers. Ending4: If you are a dog groomer, you may experience these bumps for a month. Other symptoms may include : [substeps] Red, itchy rash that develops on the jaw and cheeks.

Answer format: ending1/ending2/ending3/ending4