Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to kill fleas on dogs [title] Wash your dog with flea and tick shampoo. [step] While normal dog shampoo and dish detergent usually kill fleas, if you need something more potent, you could try a special flea and tick shampoo. [substeps] Read the shampoo label carefully to determine the proper way to use the shampoo for your dog.

Ending1: It might say, " flea shampoo " or " flea conditioner " on the label. Follow the instructions, but be sure to rinse your dog's fur thoroughly. Ending2: Soak you dog with warm water and rub the flea shampoo into its fur. Let the shampoo sit on the dog's coat for at least 10 minutes before rinsing it off with warm water. Ending3: Some shampoos that are insecticidal and others that are flea and tick free may not work for your dog. [substeps] Stop into your local pet store and ask if they have any flea and tick shampoos available. Ending4: Follow the directions carefully, making sure the shampoo is safe for your dog. As long as you are using flea and tick shampoo, a mild mixture of baking soda and some liquid dish soap will suffice.

Answer format: ending1/ending2/ending3/ending4