If one image shows two zebras face-to-face and standing upright with their heads crossed.
return images ;return zebras in  #1 ;return #2 that are face-to-face ;return #3 that are standing upright ;return heads of #4 ;return #4 where  #5 are crossed ;return number of  #6 for each  #1 ;return #1 where  #7 is equal to  two ;return number of  #8 ;return if  #9 is equal to  one
['select', 'project', 'filter', 'filter', 'project', 'comparative', 'group', 'comparative', 'aggregate', 'boolean']