"the building has the airfield?"

No, but if the building is 20 miles south of the airport, and you know you are at the building, you just need to fly 20 miles north to get to the airport.


"I do like and support Kejero's answer"

That defective riddle stole an hour of my life I'll never get back!!! <img src="/ubbthreads/images/graemlins/memad.gif" alt="" />


"Now why do I have the feeling the "infinite loop A, B, C, D" entered this thread?"

Because Kejero is using flawed logic? <img src="/ubbthreads/images/graemlins/tongue.gif" alt="" />

<img src="/ubbthreads/images/graemlins/silly.gif" alt="" />