chat_history: ['My brother is supposed to be paying me back for the food I bought for him last week...', "It was nice of you to buy him food, but I'm thinking he didn't pay you back.", "Nope, I've been waiting for a few days, and I could really use that money now."]
sys_response: I'm sorry. I know it sucks to need money and be counting on it, and then you don't get it. I hope he pays you back soon.
situation: My brother is supposed to be paying me back for the food I bought for him last week. I've been waiting for a while.