If there are two huskies in red harness standing on the snow.
return huskies ;return harness ;return snow ;return #2 that are red ;return #1 that are in  #4 ;return #5 that are standing in  #3 ;return number of  #6 ;return if  #7 is equal to  two
['select', 'select', 'select', 'filter', 'filter', 'filter', 'aggregate', 'boolean']