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: Bob found a can on the ground. Sentence2: The can had no label. Sentence3: Bob had no can opener. Sentence4: He smashed and pounded, trying to get it open. Sentence5: He finally opened it to find delicious soup.
Bob