If in at least one image there is a single monk walking away into a forest.
return images ;return monks in  #1 ;return forest in  #1 ;return #2 walking away into #3 ;return number of  #4 for each  #1 ;return #1 where  #5 is equal to  one ;return number of  #6 ;return if  #7 is at least one
['select', 'project', 'project', 'filter', 'group', 'comparative', 'aggregate', 'boolean']