Task: Question Generation
Input (English): #1 return households 
#2 return #1 that are married couples living together 
#3 return #1 that are non-families 
#4 return percentage of #2 
#5 return percentage of #3 
#6 return which is the  lowest of #4 ,  #5
Output (English): Which is a smaller percentage of households, married couples living together or non-families?