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: Alex awoke when the sun rose. Sentence2: She realized she had forgotten to close the shades. Sentence3: She decided to get up since she was already awake. Sentence4: She took an extra long shower because she had the time to. Sentence5: Alex left her house early with a plan to get to work early.
Alex