Task: Question Generation
Input (English): #1 return aircrafts 
#2 return airports #1 are  associated with 
#3 return #1 where #2 is  London Heathrow 
#4 return #1 where #2 is  Gatwick 
#5 return #1 of  both #3 and  #4 
#6 return names of  #5
Output (English): What are the names of all aircrafts that are associated with both London Heathrow and Gatwick airports?