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: The family had three member for 2 Years. Sentence2: The dog knew something was about the change. Sentence3: When the mom went into labor, the dog was nervous acting. Sentence4: The baby was brought home. Sentence5: The dog never left the baby's side.
A:
Dog, The family, Mom, The baby