Is there another object that is the same shape as the one in the far back?
return objects ;return #1 in  the  far back ;return shape of #2 ;return #1 besides  #2 ;return shapes of #4 ;return #4 where #5 is the  same as #3 ;return number of  #6 ;return if #7 is at least one
['select', 'filter', 'project', 'discard', 'project', 'comparative', 'aggregate', 'boolean']