If there is exactly one insect standing on top of the ball in one of the images.
return insect ;return ball ;return #1 that is standing on top of #2 ;return images ;return number of  #3 for each  #4 ;return #4 where  #5 is equal to  one ;return number of  #6 ;return if  #7 is equal to  one
['select', 'select', 'filter', 'select', 'group', 'comparative', 'aggregate', 'boolean']