Are there objects that has the same shape as the object on the far left?
return objects ;return #1 on  the   far left ;return #1 besides  #2 ;return shape of #2 ;return shape of #3 ;return #1 where #4 is  the   same as #5 ;return number of  #6 ;return if #7 is  higher than zero
['select', 'filter', 'discard', 'project', 'project', 'comparative', 'aggregate', 'boolean']