If each image contains exactly one wolf, and one image shows a wolf with an open, non-snarling mouth.
return wolves ;return mouth of #1 ;return #1 where  #2 is open ;return #1 where  #2 is non-snarling ;return #1 in  both  #3 and #4 ;return if  #5 is in  one image  ;return images of #1 ;return number of  #1 for each  #7 ;return #7 where  #8 is equal to  one ;return number of  #9 ;return images ;return number of  #11 ;return if  #10 is equal to  #12 ;return if  both  #6 and #13 are true
['select', 'project', 'comparative', 'comparative', 'intersection', 'boolean', 'project', 'group', 'comparative', 'aggregate', 'select', 'aggregate', 'boolean', 'boolean']