听一段材料，回答下面几个小题。
What is the woman afraid of when she takes her trips?
A. Taking a voyage.
B. Taking a train.
C. Taking a flight.
What transportation can you infer the man prefers?
A. Trains.          B. Planes.        C. Ships.
What's the probable relationship between the two speakers?
A. Husband and wife.
B. Teacher and student.
C. Friends.