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: Jill always sent her graphic designer instructions at the last minute. Sentence2: One day, she sent him a job that she needed by the end of the day. Sentence3: However, her graphic designer was out sick. Sentence4: The job didn't get done and Jill looked bad in front of the client. Sentence5: Jill never waited until the last minute again.

Ex Output:
Jill, Client, Graphic designer

Ex Input:
Sentence1: Charles didn't like how his preacher skipped around the Bible. Sentence2: Charles thought the Bible should be read from beginning to end. Sentence3: He made a plan to read the whole Bible in 30 days. Sentence4: He read in the day and listened to Bible readings on youtube at night. Sentence5: He read through the Bible in 30 days and impressed his preacher.

Ex Output:
Charles, His preacher

Ex Input:
Sentence1: Ana needed gas in her car. Sentence2: But the prices in her town were so high! Sentence3: She took a drive out the the reservation. Sentence4: There, gas was almost a dollar cheaper. Sentence5: Ana filled her tank at the reservation!

Ex Output:
Ana