im not actually sure, but my best guess would be the grass, because it appears to be in focus more, and the sky and water seem to be background. if that grass wasent meant to be the emphasis that it didnt have to be in the picture (im a photographer, but dont take my word for it, im only pretty sure im right)
This statement is false because there are alot of decorations that they created that where similar in some way.
1: true
2: true
3: true
4:true
5: false, atmospheric perspective does add a sense of depth.
Answer:
gold and white would be a perfect color