If two parrots have the same eye design and beak colors.
return parrots ;return eyes of #1 ;return design of #2 ;return #1 where  #3 is the  same ;return beak of #1 ;return colors of #5 ;return #1 where  #6 are the  same ;return #1 in  both  #4 and #7 ;return number of  #8 ;return if  #9 is equal to  two
['select', 'project', 'project', 'comparative', 'project', 'project', 'comparative', 'intersection', 'aggregate', 'boolean']