Task: Question Generation
Input (English): #1 return the brown ball 
#2 return the material of  #1 
#3 return object 
#4 return #3 that are cyan 
#5 return the materials of  #4 
#6 return #3 where  #5 is the same as #2 
#7 return number of #6
Output (English): how many cyan object share the same material as the brown ball?