If one of the dogs is looking directly at the camera, and one of the dogs has an open mouth.
return dogs ;return #1 that are looking directly at the  camera ;return mouth of #1 ;return #1 where  #3 is open ;return number of  #2 ;return number of  #4 ;return if  #5 is equal to  one ;return if  #6 is equal to  one ;return if  both  #7 and #8 are true
['select', 'filter', 'project', 'comparative', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']