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.

Example Input: Sentence1: Rucksack Rod was a traveling hobo. Sentence2: He got by on the kindness of others. Sentence3: The trains would often slow just enough for him to get on. Sentence4: While on the rails one day, he spied a girl who looked hungry. Sentence5: Rod shared what food he could with her.
Example Output: Rucksack rod, Girl, Others

Example Input: Sentence1: Gina went for a walk near her home. Sentence2: At the end of the walkway was an orange construction sign. Sentence3: Gina walked over to see what the sign said. Sentence4: The sign stated a major street would be closing for repairs. Sentence5: It would be inconvenient, but Gina hoped it would at least be quick.
Example Output: Gina

Example Input: Sentence1: Evan wanted to go for a walk. Sentence2: She asked her friends to get her shoes out. Sentence3: The friends helped put her shoes on. Sentence4: She got ready and they headed out. Sentence5: It was good that she finally got out of the house.
Example Output:
Evan, Evan's friends