Task: Question Generation
Input (English): #1 return cylinders 
#2 return #1 that  is  small 
#3 return #2 that  is  shiny 
#4 return #1 that  is  green 
#5 return #3 infront of #4 
#6 return material of #5
Output (English): What material is the small shiny cylinder infront of the green cylinder?