Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to catch a dog [title] Observe the dog's body language. [step] Before moving any closer to the dog, watch his body language from a distance. Erratic behavior could be a sign of rabies.

Ending1: Abnormal movements could mean that the dog was poisoned. [substeps] If the dog doesn't walk normally, this might signal to you that it was poisoned. Ending2: A raised head indicates pain, anger, or aggression. If the dog suddenly becomes hostile to you, barks or stares at you in neutral mode, this could be a sign of warning. Ending3: If you come close to a dog from a distance, the dog will be less likely to bark. [substeps] If the dog signals dangerous, reach out towards it, speak to it, or pet it. Ending4: Growling or snarling would indicate that he is feeling aggressive. [substeps] The dog may tense his muscles or walk stiffly if he is fearful.

Answer format: ending1/ending2/ending3/ending4