REMOVE

1. Visual works (hierarchy name …
2. oil paint (paint)
3. pink (color)
4. 1948

WHAT

1. Visual works (hierarchy n … (2)
2. oil paint (paint) (2)
3. orange (color) (2)
4. pink (color) (2)
5. yellow (color) (2)

More 

WHERE

1. San Francisco, California (2)

WHO

1. Still, Clyfford (2)

WHEN

1. Abstract Expressionist (2)
2. Abstract (1)