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: Ella and Frank had been wed for six years. Sentence2: They wanted a home of their own, despite high costs and few savings. Sentence3: They decided to buy several acres of land and build their own home. Sentence4: After they signed the deed, Frank called a few reliable acquaintances. Sentence5: Then they got their tools together and made a small, cozy home!
Frank, Ella, Acquaintances