If there are two blue birds perching on the same branch in one of the images.
return branch ;return birds ;return #2 that are blue ;return #3 perching on #1 ;return number of  #4 for each  #1 ;return #1 where  #5 is equal to  two ;return if  #6 is in  one of the  images
['select', 'select', 'filter', 'filter', 'group', 'comparative', 'boolean']