If an image shows at least one undocked boat surrounded by water.
return boat ;return water ;return #1 that is undocked ;return #3 that is surrounded by #2 ;return images ;return number of  #4 for each  #5 ;return #5 where  #6 is at least one ;return number of  #7 ;return if  #8 is at least one
['select', 'select', 'filter', 'filter', 'select', 'group', 'comparative', 'aggregate', 'boolean']