If the dog sled team on the right heads diagonally to the left, and the dog team on the left heads toward the camera.
return dog  sled teams ;return #1 that is  on the  right ;return If #2 heads diagonally to the  left ;return camera ;return #1 that is  on the  left ;return If #5 heads toward #4 ;return If both  #3 and #6 are  true
['select', 'filter', 'boolean', 'select', 'filter', 'boolean', 'boolean']