If an image contains a single boar wading through water.
return boar ;return water ;return #1 that is wading through #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 at least one
['select', 'select', 'filter', 'select', 'group', 'comparative', 'aggregate', 'boolean']