Task: Question Generation
Input (English): #1 return government ventured to eliminate hierarchy 
#2 return the  Cheka was  created 
#3 return when  was  #1 
#4 return when  was  #2 
#5 return which is the  lowest of #3 ,  #4
Output (English): What happened first: government ventured to eliminate hierarchy or the Cheka was created?