Instructions: 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: Ken's TV remote was acting up. Sentence2: He called for a new one, but the company said they were out of stock. Sentence3: Ken decided to try the old-fashioned method. Sentence4: He banged it on the palm of his hand. Sentence5: Sure enough, the remote began to work normally again!
Output:
The company