Task: Question Decomposition
Input (English): question: If an animal is lying down on a stone in only one of the images.
Output (English): #1 return animal 
#2 return stone 
#3 return #1 lying down on #2 
#4 return images of #3 
#5 return the  number of  #4 
#6 return if  #5 is equal to  one