How many objects are either gray matte objects or cylinders?
return objects  ;return #1 that  are cylinders ;return number of #2 ;return #1 besides #2 ;return #4 that  are gray ;return #5 that  are matte ;return number of #6 ;return sum of #7 and  #3
['select', 'filter', 'aggregate', 'discard', 'filter', 'filter', 'aggregate', 'arithmetic']