Task: Question Decomposition
Input (English): question: How many years after the Treaty of Verdun did Philip IV of France become King?
Output (English): #1 return the  Treaty of Verdun 
#2 return Philip IV of France become King 
#3 return when  was  #1 
#4 return when  was  #2 
#5 return difference of #4 and  #3 in  years