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: Ava needed a root canal badly- she was always in pain. Sentence2: But she was terrified of dentists! Sentence3: Finally the agony drove her to make an appointment. Sentence4: The dentist was very kind when she arrived, and put her at ease. Sentence5: And to her shock, the root canal didn't hurt one bit!

SOLUTION: Dentist, Dentists, Ava

PROBLEM: Sentence1: Laura wanted to play the harp. Sentence2: She signed up for lessons in school. Sentence3: At first it was very difficult to learn. Sentence4: But soon she was playing wonderfully. Sentence5: She played so well, she got a solo in the school concert!

SOLUTION: Laura

PROBLEM: Sentence1: Emily is riding her bicycle home from school. Sentence2: She sees an injured bird on the ground. Sentence3: She picks him up and and takes him home. Sentence4: She nurses the bird back to health. Sentence5: It is a bittersweet moment when she watches him fly away.

SOLUTION:
Bird, Emily