There are two objects that do not share a color with any other objects, what is the shape of those objects?
return objects   ;return colors of #1 ;return number of  #1 for each #2 ;return #2 where #3 is two ;return #1 where #2 is the  same as #4 ;return shapes of #5
['select', 'project', 'group', 'comparative', 'comparative', 'project']