Q: 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: Diane had plastic surgery because she hated the family nose. Sentence2: Suddenly confident, Diane started attracting guys. Sentence3: When she got serious about one guy, she took him to meet her family. Sentence4: Diane caught him flirting with her sister. Sentence5: The guy said he loved her sister's exotic nose.
A:
Her sister, One guy, Diane