Two analogies that relate places/locations to the associated travel mode is given in the form "A : B. C : ?". "A : B" relates place A to travel mode B. Your task is to replace the question mark (?) with the appropriate travel mode for the given place C, following the "A : B" relation.
--------
Question: work : car. park : ?

Answer: bicycle


Question: canada : bus. australia : ?

Answer: airplane


Question: hawaii : airplane. bermuda : ?

Answer:
airplane