There is a shape behind the metallic blue cylinder ande behind the metallic green cylinder; what color is it?
return the  metallic  blue cylinder ;return the  metallic  green cylinder ;return shapes ;return #3 that  are behind #1 ;return #3 that  are behind #2 ;return #3 in both #4 and #5 ;return the  color of #6
['select', 'select', 'select', 'filter', 'filter', 'intersection', 'project']