If the left image contains exactly two ducks both swimming in the same direction.
return the  left image ;return ducks in  #1 ;return direction swimming in  of #2 ;return #2 where  #3 is the  same ;return number of  #4 ;return if  #5 is equal to  two
['select', 'project', 'project', 'comparative', 'aggregate', 'boolean']