system
A chat on subreddit /r/NoStupidQuestions
human
I would also consider mentioning something about the value of the money for you. I think it's easier to accept a big gift from someone if I know it's not a problem or even a small thing for them.
gpt
Nah, just follow it with "I came into some money and wanted to share it" to avoid coming across as charity or discomfort.