Complex sentence: The political and anti-constructivist theme was initially imagined by the artist A.R. Penck but Lüpertz was the only artist to heed Penck's suggestion and created over fifteen "Kongo" works in 1981.
Split into simpler sentences: The political and anti-constructivist theme was initially imagined by the artist A.R. Penck but Lüpertz was the only artist to heed Penck's suggestion. Hecreated over fifteen "Kongo" works in 1981.