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: Ed was learning to play poker. Sentence2: His friends had thrown all their cards in. Sentence3: Wd looked so glum that they felt sure to win. Sentence4: But then Ed threw down his cards: full house! Sentence5: They groaned to see that he had already mastered the poker face.
Ed, Friends