Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to keep your cat from becoming aggressive [title] Do not encourage rough play. [step] If your cat scratches and bites when they play, do not encourage them. This will make the cat think it's okay to rough play to anyone.

Ending1: Let your cat play, but do not pull them off the floor. [substeps] If your cat resists and makes a lot of biting, then use the litter box in the room. Ending2: Giving them a treat or a kind word will only increase their aggression. [title] Take caution when playing with your cat. Ending3: Your cat is more likely to associate casual play with submission and aggressiveness. [substeps] Toys with a loud sound, such as bells, are a great way to lure a cat outside. Ending4: Whenever your cat starts biting and scratching you while playing firmly say " no. " and then put your cat down on the floor.

Answer format: ending1/ending2/ending3/ending4