Definition: 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.
Input: Sentence1: Shane was eating at a high end restaurant. Sentence2: The restaurant was new and was very crowded. Sentence3: He waited while to get his drink order. Sentence4: His server did the best they could but Shane was not happy. Sentence5: Shane decided to leave a very low tip.
Output:
Shane, Server