Task: Text Categorization
Input (English): This artist drew a large white cross stretching the entire length of the background of a lithograph titled  Tightrope Walker, and late in life this artist painted a male and female in front of a brown background studded with jewel-like colors in The Travelling Circus. A copper etching by this artist shows a winged angel that was said to be the image of the "angel of history" by Walter Benjamin, and this artist also painted a group of (*) colored arches that appear to be marching. This artist of Angelus Novus  and Viaducts Break Ranks wrote a Pedagogical Sketchbook, and his notebooks collect his lectures on art from the Bauhaus. Another work by this artist shows a pit under a wire and crank, on which four birds are perched. For 10 points, name this German-Swiss artist of Twittering Machine.
Output (English): Fine Arts