If all school buses are intact and angled heading rightward, with no buildings visible behind them.
return school buses ;return #1 that are intact ;return #2 that are angled heading rightward ;return buildings ;return #3 that has #4 behind them ;return #3 besides  #5 ;return number of  #1 ;return number of  #6 ;return if  #7 is equal to  #8
['select', 'filter', 'filter', 'select', 'filter', 'discard', 'aggregate', 'aggregate', 'boolean']