If each image contains one reclining wolf, and exactly one image shows a wolf surrounded by snow.
return wolf  ;return snow ;return #1 surrounded by #2 ;return if  #3 is in  exactly one image  ;return #1 that is reclining ;return images of #5 ;return number of  #5 for each  #6 ;return #6 where  #7 is equal to  one ;return images ;return number of  #8 ;return number of  #9 ;return if  #10 is equal to  #11 ;return if  both  #12 and #4 are true
['select', 'select', 'filter', 'boolean', 'filter', 'project', 'group', 'comparative', 'select', 'aggregate', 'aggregate', 'boolean', 'boolean']