If there is a tree house with a bridge leading to it, in front of the house there are two tree trunks and there is one trunk behind
return tree house  ;return bridge ;return if  #2 is leading to  #1 ;return tree trunks ;return #4 in  front of #1 ;return number of  #5 ;return if  #6 is equal to  two ;return #4 behind #1 ;return number of  #8 ;return if  #9 is equal to  one ;return if  both  #7 and #10 are true ;return if  both  #3 and #11 are true
['select', 'select', 'boolean', 'select', 'filter', 'aggregate', 'boolean', 'filter', 'aggregate', 'boolean', 'boolean', 'boolean']