Is there an object the same color as the only metallic object?
return objects ;return #1 that  are metallic ;return #1 besides #2 ;return color of #2 ;return colors of #3 ;return #3 where  #5 is  the  same as #4 ;return if  there  is  any #6
['select', 'filter', 'discard', 'project', 'project', 'comparative', 'boolean']