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.

Input: Consider Input: Sentence1: Pete the clown was such a happy clown. Sentence2: He loved to bring smiles to the people of the rodeo. Sentence3: One day his boss calls him into his office. Sentence4: He tells pete he has to let him go. Sentence5: Pete was a very depressed and sad clown now.

Output: Pete, Boss, People

Input: Consider Input: Sentence1: I visited a Facebook page accusing BLS of racism. Sentence2: BLS is short for Boston Latin School, a prestigious school. Sentence3: Several students wrote BLS fostered racism. Sentence4: I was a BLS graduate, and remembered racist incidents. Sentence5: I am preparing to add my comments to the page.

Output: I (myself), Students

Input: Consider Input: Sentence1: Ashley is so sick of doing laundry. Sentence2: She lives with two other girls and none of them help. Sentence3: One night Ashley spoke her mind to the girls about it. Sentence4: They said they understand where she's coming from. Sentence5: Now all three girls do laundry together.
Output: Girls, Ashley