Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to give first aid to a cat after a fall [title] Observe the cat. [step] The first thing you should determine is whether or not the cat is conscious. If the cat is unconscious, take it to the veterinarian immediately.

Ending1: The best time to tell if the cat is conscious is when it appears to be tired and may be moving a lot. [substeps] Look for any skin coloration on the fur. Ending2: She or he will check for trauma, such as teeth, eye, tear, or foreign substances. If the cat is screaming and has not responded immediately, or if the cat seems to be quite disoriented after a fall, give the cat further treatment. Ending3: She can assess whether or not she's injured or needs medical assistance. [substeps] If the cat is conscious, the veterinarian can help assess whether the cat has died or is still breathing. Ending4: If the cat is conscious, note if it seems dazed and determine if the cat can walk or if it is limping. Look for signs of bleeding and note any apparent injuries (e.g., limping).

Answer format: ending1/ending2/ending3/ending4