Why is red clay, red in color?
user
This is a complex question, do you want me to provide all the details or give a brief summary?
assistant
brief summary
user
Human, I’m not sure if you know, but red clay has more iron oxide, or rust, in it.  The rust gives it its reddish color.
assistant
Why is red clay, red in color?
user
This is a complex question, do you want me to provide all the details or give a brief summary?
assistant
brief summary
user
Let’s start by comparing red clay and red ocher.
assistant
Why is red clay, red in color?