Is the small brown sphere made of the same material as the large gray sphere?
return small sphere  ;return #1 that  is  brown ;return large sphere  ;return #3 that  is  gray ;return material of #2 ;return material of #4 ;return is  #5 the   same as #6
['select', 'filter', 'select', 'filter', 'project', 'project', 'boolean']