Task: Question Generation
Input (English): #1 return the   matte cube 
#2 return the   matte cylinder 
#3 return objects 
#4 return #3 that  are to  the   right of #1 
#5 return #3 that  are behind #2 
#6 return #3 in both #4 and #5
Output (English): what is to the right of the matte cube but behind the matte cylinder?