Categorize the following artwork: Abstraction of Reality, by Mark Rothko.
The artwork "Abstraction of Reality" by Mark Rothko would be categorized as Abstract Expressionism.
Complete the following task based on the instruction and optional input provided.### Instruction:
Categorize the following artwork: Abstraction of Reality, by Mark Rothko.

### Output:
The artwork "Abstraction of Reality" by Mark Rothko would be categorized as Abstract Expressionism.