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: Phil and his mother waited patiently in the checkout line. Sentence2: Phil noticed the rows and rows of candy next to him. Sentence3: His mother quietly said he couldn't have any of the candy. Sentence4: Phil began crying loudly. Sentence5: Annoyed, his mother agreed to purchase a small chocolate bar for him.
Output:
Phil, Mother