Given the task definition and input, reply with output. 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: Edward hated dust a lot. Sentence2: In fact, he cleaned his house every day. Sentence3: One day, he decided that he would invite some guests. Sentence4: Before that, he spotted dust on the ground! Sentence5: Edward cleaned the dust up very quickly.
Edward, Guests