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: John was looking for lumber at Home Depot on a Saturday morning. Sentence2: There was a tremendous crashing and rumbling sound. Sentence3: Everyone around John began to panic and run around crazily. Sentence4: John heard an announcement through the store's speakers. Sentence5: The announcement said there had been an earthquake!
The store's speakers, John, Everyone