Definition: 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.
Input: Sentence1: Abby met the time traveler at a restaurant. Sentence2: She met him again in apartment, wearing considerably less. Sentence3: Abby couldn't get the scientist out of her head. Sentence4: Weeks went by, and the affair went down in her notes again and again. Sentence5: Abby couldn't decide how to end the sci fi story she was writing.
Output:
Traveler, Abby