there are three objects that are the same shape and size what are they
return objects ;return shapes of #1 ;return sizes of #1 ;return #1 where #2 are   the  same ;return #1 where #3 are   the  same ;return #1 in  both of #4 and  #5
['select', 'project', 'project', 'comparative', 'comparative', 'intersection']