Task: Question Decomposition
Input (English): question: show me all direct flights from dallas fort worth to either san francisco or oakland 
Output (English): #1 return flights 
#2 return #1 that  are direct 
#3 return #2 from  dallas fort worth 
#4 return #3 to san francisco 
#5 return #3 to oakland 
#6 return #4 , #5