Answer
"Étant donnés", Marcel Duchamp's final major work, created in 1946-66, stands as a complex assemblage. It features a wooden door set within a brick wall, behind which viewers can faintly discern a female figure amidst various objects. This enigmatic piece blurs the lines between sculpture, painting, and installation, embodying Duchamp's ongoing exploration of chance, illusion, and the viewer's role in constructing meaning.