the very left item is the same color as how many other objects?
return objects ;return #1 on the  very left ;return #1 besides  #2 ;return color of #2 ;return color of #3 ;return #3 where #5 is the  same as #4 ;return number of  #6
['select', 'filter', 'discard', 'project', 'project', 'comparative', 'aggregate']