are the two purple cylinders the same size as the green cylinder
return purple cylinders ;return green cylinder ;return size of #1 ;return size of #2 ;return #1 where #3 is the  same as #4 ;return number of  #5 ;return if #6 is equal to two
['select', 'select', 'project', 'project', 'comparative', 'aggregate', 'boolean']