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.

Sentence1: When my daughter was 12 I took her to work to file. Sentence2: Another girl showed her what to do but she did not speak english well. Sentence3: Theresa said all the files needed to be in alphabetical order. Sentence4: Lucy was not good with her alphabet so Theresa took over Sentence5: When Theresa was done, I checked her work, and was very proud of her.
Girl, Lucy, My daughter, Theresa