听一段材料，回答下面几个小题。
What's the probable relationship between the two speakers?
A. Mother and son.
B. Husband and wife.
C. Brother and sister.
Why are they going by ship instead of by plane?
A. Because they have never taken a ship before.
B. Because they think it's more exciting by ship.
C. Because they have plenty of time for their trip.
What will they do at the bank?
A. Buy traveler's cheques.
B. Draw some money.
C. Get some information.