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: Kim's dad hated her boyfriend. Sentence2: She really liked him. Sentence3: Eventually things got too frustrating at home. Sentence4: Kim decided to move out. Sentence5: She moved into an apartment with her boyfriend.
Output:
Kim, Boyfriend