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.

Ex Input:
Sentence1: Emma was getting ready to graduate from high school. Sentence2: She wanted to go to college but could not afford it. Sentence3: Her parents were unable to help her financially. Sentence4: Emma received a letter from the scholarship organization. Sentence5: She received the scholarship and was able to attend college.

Ex Output:
Scholarship organization, Emma, Her parents

Ex Input:
Sentence1: Spencer had a project due. Sentence2: He had not done it yet. Sentence3: He got all the stuff together for it. Sentence4: He did it quickly. Sentence5: He turned it in on time.

Ex Output:
Spencer

Ex Input:
Sentence1: Gina loved going to music class. Sentence2: They listened to records and sang from a book. Sentence3: Gina liked hearing music she had never heard before. Sentence4: Sometimes they had to do worksheets. Sentence5: Gina hated those days, but she loved the class the rest of the time.

Ex Output:
Music class, Gina