What color is the large metal cylinder behind the large rubber cylinder?
return cylinders ;return #1 that  are large ;return #2 that  are metal ;return #1 that  are rubber ;return #4 that  are large ;return #3 that  is  behind #5 ;return color of #6
['select', 'filter', 'filter', 'filter', 'filter', 'filter', 'project']