What shape is the object behind the metallic thing and in front of the cube?
return the   metallic thing ;return the   cube ;return objects ;return #3 that  are behind #1 ;return #3 that  are in front of #2 ;return #3 in both #4 and #5 ;return the   shape of #6
['select', 'select', 'select', 'filter', 'filter', 'intersection', 'project']