system
devastated: My aunt recently passed away after a long battle with Alzheimer's disease. I'm so sad at the loss.
gpt
My aunt recently passed away after a long battle with Alzheimer's disease.
human
I am so sorry to hear that. 
gpt
Thanks. It's been especially hard because she was almost like a mother to me. 
human
I truly hope you can recover from this major loss in your life.