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.
Q: Sentence1: Carl owned a large field of land. Sentence2: He decided to grow crops in his field. Sentence3: He had his friends help him plant corn on his land. Sentence4: He has miles of corn growing on his land. Sentence5: He now sells his corn and splits the money with his friends.
A:
Friends, Carl