chat_history: ['My dog died of old age today.', 'I am sorry to hear that. Mine died of old age as well last month.', 'I am sorry that happened too. I never thought I would be this upset over a dog.']
sys_response: Me neither, but in the end, I really didn't think about him as a dog, he was just my buddy. I hope fond memories of him get you through this.
situation: I am so upset my dog died today.