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 just got home from a long day of work and wanted to sleep. Sentence2: Before he slept, he drank a glass of milk. Sentence3: When he went to his bed, he found out the pillow was missing. Sentence4: He searched for an hour and finally found it. Sentence5: James went to sleep and had a good night.
Output:
James, Daniel