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.

Sentence1: Evan is a Sailor in the Navy. Sentence2: He is on a ship that travels around the world. Sentence3: He went to visit Spain and came home with sea shells from the beach. Sentence4: He gave those sea shells to a pretty girl named April. Sentence5: She liked them so much they decided to get married.
Is

Sentence1: Isaac was prone to bouts of depression. Sentence2: He never made many friends, and was usually found by himself. Sentence3: He imagined that no one would miss him and began to cry. Sentence4: His mother heard his sobbing and came to find out what was wrong. Sentence5: She encouraged him that she would miss him if he disappeared.
Isaac, Friends, Mother

Sentence1: Thomas was a steamboat captain. Sentence2: He'd find fish anywhere, just to prove his metal. Sentence3: One day he was chasing a school of marlin right into a storm. Sentence4: Thomas' boat struggled against the storm. Sentence5: Thomas' prevailed, and brought home his best catch ever.
Strom, Thomas, Fish, Marlin