chat_history: ['My father was having abdominal pain, so he went to the hospital and they discovered a tumor.', 'Oh no, was it benign?', 'It was cancerous, but the surgery to remove it seemed to go well. A few days later he passed away suddenly, with no exact cause of death.']
sys_response: That is so terrible, I'm so sorry.
situation: My father went to the hospital for abdominal pain. They found a tumor, but the operation to remove it went well. He passed away suddenly a few days after.