If one of the dogs is next to a human, and at least one of the dogs is close to a couch.
return dogs ;return human ;return couch ;return #1 that are next to  #2 ;return #1 that are close to  #3 ;return number of  #4 ;return number of  #5 ;return if  #6 is equal to  one ;return if  #7 is at least one ;return if  both  #8 and #9 are true
['select', 'select', 'select', 'filter', 'filter', 'aggregate', 'aggregate', 'boolean', 'boolean', 'boolean']