Task: Question Generation
Input (English): #1 return house 
#2 return chimney 
#3 return the  #2 for each  #1 
#4 return #1 where  #3 is equal to  one 
#5 return the  number of  #1 
#6 return the  number of  #4 
#7 return if  #5 is equal to  #6
Output (English): If each house shows only one chimney