scene {
    options {
        width 400
        height 300
    }
    camera {
        position <5, -5, 4>
        look_at <0, 0, 1>
    }
    light {
        position <10, -10, 50>
    }
    plane {
        position <0, 0, 1>, 0
        material {
            color <0, 1, 0.2>
            reflectance 0.4
        }
    }
    sphere {
        radius 1
        translate <0, 0, 1>
        material {
            color <1, 1, 0>
        }
    }
}