Triple

Target class: key figure of De Stijl
Context triple: [Christian Emil Marie Küpper, instanceOf, key figure of De Stijl]

• A. Cubist artist
  A Cubist artist is a creator who deconstructs subjects into geometric forms and multiple viewpoints to represent reality in a fragmented, abstracted way.
• B. Hague School painter
  A Hague School painter is an artist associated with the late 19th-century Dutch movement centered in The Hague, known for its subdued color palette, realistic depictions of everyday life and landscapes, and atmospheric, often somber mood.
• C. Dutch artist chosen
  A Dutch artist is a creative professional from the Netherlands who produces visual, performing, or conceptual art that often reflects Dutch cultural, historical, or social influences.
• D. Dutch Classicist architect
  A Dutch Classicist architect is a designer of buildings in the Netherlands who applies the principles of classical architecture—such as symmetry, proportion, and the use of classical orders—often adapted to local materials, traditions, and urban contexts.
• E. Russian avant-garde artist
  A Russian avant-garde artist is a radical early-20th-century creator from Russia who experiments with form, color, and abstraction to challenge traditional aesthetics and express revolutionary social and political ideas.
• F. None of above.