chat_history: ['As a child, I was mean to my sister all the time and I still feel awful about it.', "Aw, well when your younger you don't do those things on purpose. I think everyone is mean to their siblings every now and then.", "True, but she's very sensitive. I'm sure it still bothers her. I try to make up for it today, but I never can take those things back."]
sys_response: Have you talked to her about it? Maybe she doesn't really think about it anymore.
situation: I was really mean to my sister as a child, and I still feel bad about it. She's sensitive and I know it probably still bothers her.