input_data = {
let {Polygon, point} = Flatten;
let polygon1 = new Polygon([point(200,10), point(100, 300), point(400, 150), point(250, 10)]);
let polygon2 = new Polygon([point(450, 10), point(0, 150), point(300,300), point(600, 300)]);
return [polygon1, polygon2]
}