What element of architecture did German architect Adolf Loos theorize was unnecessary and wasteful?

Which of these is the best example of a surrealist work that explores the inner world of dream, emotion, and imagination?

a. Picasso's Guernica b. Stravinsky's Rite of Spring c. Dalí's The Persistence of Memory d. Le Corbusier's Villa Savoye

What are The Canterbury Tales?

What will be an ideal response?