What material is the thing that is the same color as the large metallic ball in between the green cylinder and red cube?
return ball ;return #1 that  is  metallic ;return #2 that  is  large ;return cylinder ;return #4 that  is  green ;return cube ;return #6 that  is  red ;return #3 between #4 and  #6 ;return color of #8 ;return things ;return colors of things ;return #10 where #11 is  #9 ;return material of #12
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