If at least one image shows a harbor and an expanse of water leading into a narrower canal lined with houses and other buildings.
return harbor ;return expanse of  water ;return narrower canal ;return houses ;return other buildings ;return #3 lined with  #4 ;return #3 lined with  #5 ;return #3 in  both  #6 and #7 ;return #1 leading into #8 ;return #2 leading into #8 ;return images of  both  #9 and #10 ;return number of #11 ;return if  #12 is  at least one
['select', 'select', 'select', 'select', 'select', 'filter', 'filter', 'intersection', 'filter', 'filter', 'intersection', 'aggregate', 'boolean']