Task: Question Generation
Input (English): #1 return Armenian troops captured the  city of Nakhchivan and  destroyed the Republic of  Aras 
#2 return a cease-fire was  signed 
#3 return month of #1 
#4 return month of #2 
#5 return the  difference of #4 and  #3
Output (English): How many months after Armenian troops captured the city of Nakhchivan and destroyed the Republic of Aras was a cease-fire signed?