Katherine* wears a nondescript T-shirt, dark jeans and casual flip-flops.

*Not her real name.**

She holds a cup of coffee, the top cross-section of which is a circle.

**Or is it?***

This is while she stands in a circle that contains many smaller circles.

***Actually, it is.****

Her facial expression is appropriately vivid and full of joy, an intentional contrast with the single hues of her attire.

****Maybe.