Q: In this task, you're given a story (which contains five sentences only). Your task is to find all the characters which are available in the given story.
Sentence1: Kevin saw an endangered animal on the hiking trail. Sentence2: He called wildlife support and told them. Sentence3: Kevin stuck around and made sure the animal was ok. Sentence4: Wildlife support came and saved the animal, and thanked Kevin. Sentence5: They told him there were only 10 left in the world!
A:
Wildlife support, Endangered animal, Kevin