chat_history: ['The other day I noticed my pet has a growth on her lower belly. I fear it may be a tumor.', 'What kind of pet is it? Hope your animal is okay!', "She's a rat, so her body is very frail. I'm sad that she likely will not make it. She's been with me through thick and thin."]
sys_response: I heard rats make awesome pets, I'm so sorry! Is your rat in pain?
situation: My pet has a tumor.