If in one of the images there is a single mitten worn on an empty hand.
return mitten ;return hand ;return #2 that is empty ;return #1 that is worn on #3 ;return images ;return number of  #4 for each  #5 ;return #5 where  #6 is equal to  one ;return number of  #7 ;return if  #8 is equal to  one
['select', 'select', 'filter', 'filter', 'select', 'group', 'comparative', 'aggregate', 'boolean']