Task: Question Decomposition
Input (English): question: Which army was being attacked first, the Mongol army or the Esens army?
Output (English): #1 return Mongol army   being attacked 
#2 return Esens army   being attacked 
#3 return when  was  #1 
#4 return when  was  #2 
#5 return which was  lowest of #3 ,  #4