Definition: 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.
Input: Sentence1: Ross bought a new house. Sentence2: He bought some paint for the living room. Sentence3: He was walking through the house in the dark when he kicked something. Sentence4: It was the paint can. Sentence5: Paint spilled all over the carpet.
Output:
Ross