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: They planted a sunflower garden at their house in the city. Sentence2: They watched it grow all summer. Sentence3: The traffic by their house got heavy when the sunflowers bloomed. Sentence4: Many people yelled something nice as they drove past the garden. Sentence5: When the sunflowers died the traffic went back to normal.
Example Output: Other people

Example Input: Sentence1: Waiting for the next train to pull up, Harry was nervous. Sentence2: He was only a few hours away from his big interview. Sentence3: Spending the last three months sending out resumes, this was it. Sentence4: Boarding the train, he noticed something strange about the inside. Sentence5: He had hopped on the wrong color train, and would be late.
Example Output: Harry

Example Input: Sentence1: Our city tows our street on the fourth Tuesday of the month. Sentence2: We sit outside to see the towing begin. Sentence3: One day a two truck started to tow a car. Sentence4: The owner came running out of the building. Sentence5: Luckily, all she got was a traffic ticket.
Example Output:
The owner, Our city