If one image contains a building facing downward and diagonally, the other image contains the inside right angle of a wall.
return one image  ;return buildings in  #1 ;return #2 that is facing downward ;return #3 that is facing diagonally ;return number of  #4 ;return if  #5 is at least one ;return other image  ;return walls in  #7 ;return inside right angle of #8 ;return number of  #9 ;return if  #10 is at least one ;return if  both  #6 and #11 are true
['select', 'project', 'filter', 'filter', 'aggregate', 'boolean', 'select', 'project', 'project', 'aggregate', 'boolean', 'boolean']