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 Q]: Sentence1: A woman was walking. Sentence2: She sat on a bench. Sentence3: There was a man next to her. Sentence4: She realized it was her ex husband. Sentence5: This must have been accidental.
[EX A]: Ex husband, A woman, A man

[EX Q]: Sentence1: Merdis didn't want to waste her vote on someone she didn't like. Sentence2: She went to the library to research other options. Sentence3: The librarian directed Merdis to the city's Election Board. Sentence4: They explained in detail to Merdis what her options were. Sentence5: Merdis decided to vote herself in as a candidate in the upcoming race.
[EX A]: Librarian, Merdis

[EX Q]: Sentence1: Toby needed money. Sentence2: So he found some old contacts who sold drugs. Sentence3: He got the drugs from them. Sentence4: He made a lot of money selling drugs. Sentence5: But he was caught and sent to jail.
[EX A]:
Toby, Toby's old contacts