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: Edward was lonely and wanted a girlfriend so he started dating. Sentence2: He went on a date with a girl named Joy. Sentence3: Edward liked her but she didn't like him so he got angry at her. Sentence4: Joy told Edward he had an anger problem and needed help. Sentence5: Edward discovered his anger prevented him from finding love.
[EX A]: Joy, Edward

[EX Q]: 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.
[EX A]: Harry

[EX Q]: Sentence1: Callie was at the lake with her family. Sentence2: She had been having fun swimming all day. Sentence3: Soon it was time for dinner and all of the kids got out of the water. Sentence4: Callie tried to wrap up her in her towel but it was soaking wet. Sentence5: She was cold the rest of the night until she air dried enough.
[EX A]:
Callie, Kids