REMOVE

1. black (color)
2. brown (color)
3. circles (plane figures)
4. Still, Clyfford
5. Abstract

WHAT

1. Visual works (hierarchy n … (3)
2. black (color) (3)
3. brown (color) (3)
4. circles (plane figures) (3)
5. oil paint (paint) (3)

More 

WHERE

1. Richmond, Virginia (2)
2. New York, New York (Corne … (1)

WHO

1. Still, Clyfford (3)

WHEN

1. 1945 (2)
2. 1944 (1)
3. Abstract Expressionist (1)