Detailed Instructions: 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.
Q: Sentence1: Kevin was on the beach, throwing rocks into the ocean. Sentence2: Accidentally, he struck a sea gull flying overhead. Sentence3: He ran to the bird, not knowing what to expect. Sentence4: Luckily, it was only dazed. Sentence5: He felt better, watching it fly off.
A:
Sea gull, Kevin