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.

Sentence1: The family arrives at the beach. Sentence2: Everyone puts on sunscreen. Sentence3: The son plays in the clear water. Sentence4: The daughter builds sand castles. Sentence5: The parents relax for the rest of the day.
The parents, The daughter, The family, The son

Sentence1: When the little boy went home, he couldn't find his mother or father. Sentence2: He looked all around. Sentence3: He called their names but no one answered. Sentence4: Eventually a neighbor heard him. Sentence5: She said his parents were at her home.
Mother, Father, Neighbor, The little boy

Sentence1: Tom had a friend over. Sentence2: They were drunk hanging out. Sentence3: Tom showed him his gun. Sentence4: He said it wasn't loaded but it accidentally went off. Sentence5: Luckily nobody was injured.
Tom's friend, Tom