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: Samuel Braman came into the world under poor circumstances. Sentence2: His mother was 15 years old. Sentence3: She told the doctors she was addicted to meth and heroin. Sentence4: They took the baby early because of this. Sentence5: She treated him very badly from the beginning.
Output:
His mother, Samuel braman