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: Nancy was bothered by her friends all day. Sentence2: They keep reminding her that her boyfriend cheated on her. Sentence3: On the other hand, her boyfriend told her that he didn't. Sentence4: Since she trust her boyfriend, she wasn't worried at all. Sentence5: However, she saw her boyfriend with another girl the next day.
Another girl, Friends, Nancy, Boyfriend