TASK 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.
PROBLEM: 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.

SOLUTION: Mother, Father, Neighbor, The little boy

PROBLEM: Sentence1: The family decided they would travel to Costa Rica. Sentence2: It was their dream to see monkeys and sloths! Sentence3: They planned the trip and were so excited. Sentence4: They spent a week exploring and watching nature. Sentence5: They took great photos and made great memories!

SOLUTION: Family

PROBLEM: Sentence1: Bryan was trying to do his homework, but his dogs were barking. Sentence2: His dogs were hungry and they had no food. Sentence3: Bryan was forced to go out and buy food. Sentence4: Bryan bought food in bulk for his dogs. Sentence5: The dogs were happy and let Brian do his work.

SOLUTION:
Bryan, His dogs