Are the gray cylinders the same size as the brown cylinder?
return gray cylinders ;return brown cylinder ;return size of #1 ;return size of #2 ;return #1 where #3 is the  same as #4 ;return number of  #1 ;return number of  #5 ;return if #6 is equal to #7
['select', 'select', 'project', 'project', 'comparative', 'aggregate', 'aggregate', 'boolean']