Task: Question Generation
Input (English): #1 return the   green shape 
#2 return objects 
#3 return #2 that  are in front of #1 
#4 return the   material of #3 
#5 return the   blue cube 
#6 return the   material of #5 
#7 return if  #4 and #6 are the   same
Output (English): Is the blue cube the same material as the object in front of the green shape?