New Sketch

By Krishnapriya Prasannan
c1=Circle (radius=100,fill="green")
c2=Circle (radius=90,fill="blue")
c3=Circle(radius=80,fill="yellow")
c4=Circle(radius=60,fill="red")
e1=ellipse(w=80,h=300/3,x=0,y=0,fill="black")
l1=line(x1=50,y1=50,x2=-50,y2=-50)
l2=line(x1=50,y1=-50,x2=-50,y2=50)

r1=rectangle(w=100,h=300/3,x=0,y=0,stroke="none",fill="red")


show(c1,c2,c3,c4,r1,e1,l1,l2)