If a dog has its tongue visible while looking at the camera.
return dogs ;return tongues of  #1 ;return camera ;return #1 where #2 is  visible ;return #4 that is  looking at #3 ;return number of #5 ;return If #6 is  at least one
['select', 'project', 'select', 'comparative', 'filter', 'aggregate', 'boolean']