If both images show a pair of warthogs posed face-to-face.
return warthogs ;return #1 that are posed face-to-face ;return images ;return number of  #2 for each  #3 ;return #3 where  #4 is equal to  two ;return number of  #5 ;return if  #6 is equal to  two
['select', 'filter', 'select', 'group', 'comparative', 'aggregate', 'boolean']