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: James lives in Texas. Sentence2: Texas is prone to tornados. Sentence3: James prepared for this. Sentence4: He bought a tornado shelter. Sentence5: So when a tornado strikes he will be safe.

Ex Output:
James

Ex Input:
Sentence1: Tabby's funeral was closed casket. Sentence2: The damage from the accident was too severe to display the body. Sentence3: I had seen it immediately after the accident. Sentence4: It was so traumatizing that I blocked it from memory. Sentence5: I still have nightmares about it to this day.

Ex Output:
I (myself), Tabby

Ex Input:
Sentence1: I was on my way to work. Sentence2: I got stopped by a train. Sentence3: I waited for a while. Sentence4: The train finally passed. Sentence5: I got to work late.

Ex Output:
I (myself)