Task: Question Generation
Input (English): #1 return flights 
#2 return #1 from  dallas fort worth 
#3 return #2 to san francisco 
#4 return #2 to oakland 
#5 return #3 , #4 
#6 return #5 that  depart after 7pm 
#7 return #6 that  are direct 
#8 return #6 that  are connecting 
#9 return #7 , #8
Output (English): show me all flights both direct and connecting from dallas fort worth to either san francisco or oakland that depart after 7pm