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.
Q: Sentence1: While stocking soda at his restaurant, Ed dropped a bottle of Coke. Sentence2: It did not burst open, but was shaken up very badly. Sentence3: He put it on the shelf anyway. Sentence4: The next customer in the store grabbed that coke for his meal. Sentence5: He opened it and Coke went everywhere and he was mad.
A:
Customer, Ed