If there are people in one image but not in the other image.
return one image  ;return people in  #1 ;return number of  #2 ;return if  #3 is at least two ;return other image  ;return people in  #5 ;return number of  #6 ;return if  #7 is equal to  zero ;return if  both  #4 and #8 are true
['select', 'project', 'aggregate', 'boolean', 'select', 'project', 'aggregate', 'boolean', 'boolean']