You will be given a definition of a task first, then some input of the task.
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 teacher took her students to the library. Sentence2: They lined up in order to get their photos taken. Sentence3: When Halle was told to smile, she felt scared. Sentence4: She was shy around the adults. Sentence5: Eventually, she was able to smile.
Output:
Students, Halle, Teacher, Adults