If one of the dogs is on a blue floating raft and looking to the right.
return dogs ;return raft ;return #2 that is blue ;return #3 that is floating ;return #1 on #4 ;return #5 that are looking to  the  right ;return number of  #6 ;return if  #7 is equal to  one
['select', 'select', 'filter', 'filter', 'filter', 'filter', 'aggregate', 'boolean']