Are any of the spheres made of the same material as the gray cube?
return spheres ;return materials of #1 ;return cubes ;return #3 that is gray ;return material of #4 ;return number of  #1 where #2 is the  same as #5 ;return is #6 higher than zero
['select', 'project', 'select', 'filter', 'project', 'None', 'boolean']