Task: Question Decomposition
Input (English): question: What shape is the small object behind the blue cylinder?
Output (English): #1 return objects 
#2 return #1 that  is  small 
#3 return #1 that  is  blue 
#4 return #3 that  is  cylinder 
#5 return #2 that  is  behind #4 
#6 return shape of #5