chat_history: ["Yesterday, my brother came out on the news because he was taking about the new charity he started. I'm glad I have brother with such a good heart.", "Wow, that's really great. What charity did he donate to?", "No, he's starting his own. I'm glad I'm able to call him my bro."]
sys_response: Oh, sorry. That's awesome. What does his charity support?
situation: My brother came out on the news because of a new charity he's starting.