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 hated his current cable provider. Sentence2: He decided to cancel the services. Sentence3: He started looking for a new provider. Sentence4: He found a great deal and bought it. Sentence5: His new provider was great!
Bob, Bob's new cable provider