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: Daniel's mother had given him a candy. Sentence2: She meant for him to eat it the following day. Sentence3: Daniel took it to bed with him. Sentence4: Daniel fell asleep with the candy in his bed. Sentence5: His mother was very upset at his filthy candy stained sheets.
Output:
Daniel, Daniel's mother