If there are dogs floating in the pool on inflatable intertubes
return dogs ;return pool ;return intertubes ;return #3 that are inflatable ;return #1 floating in  #2 ;return #5 on #4 ;return the  number of  #6 ;return if  #7 is at least two
['select', 'select', 'select', 'filter', 'filter', 'filter', 'aggregate', 'boolean']