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: Timothy worked for a good company. Sentence2: The company had a very strict policy about tardiness. Sentence3: One day he left for work with no time to spare. Sentence4: Timothy got stuck in traffic so he arrived late. Sentence5: He received his first write-up.

Ex Output:
Timothy, The company

Ex Input:
Sentence1: I was super nervous for my science test yesterday. Sentence2: I studied very hard but it didn't calm my nerves enough. Sentence3: As I walked into the room I wanted the test over with. Sentence4: Finally I started taking the test. Sentence5: Thankfully it wasn't as hard as I thought it would be.

Ex Output:
I (myself)

Ex Input:
Sentence1: Becky just had a baby. Sentence2: Becky's husband left her for a younger woman when she was pregnant. Sentence3: Becky tried to sleep for a few minutes but the baby started crying. Sentence4: She changed the baby's diaper and rocked it to sleep. Sentence5: Becky laid down again hoping for a few minutes of rest.

Ex Output:
Becky's husband, Becky, Baby, A younger woman