If the road in the image on the left is cleared of snow, while the snow is still being cleared in the image on the right.
return left image  ;return road in  #1 ;return snow  in  #1 ;return if  #2 is cleared  of #3 ;return right image  ;return snow  in  #5 ;return if  #6 is still being cleared  ;return if  both  #4 and #7 are true
['select', 'project', 'project', 'boolean', 'select', 'project', 'boolean', 'boolean']