听一段材料，回答下面几个小题。
What is the most probable relationship between the two speakers?
A.Friends.
B.Passenger and air hostess.
C.Customer and shop assistant.
What kind of gift does the man want to buy for his brother?
A.Something that has good weight.
B.Something extraordinary and light.
C.Something expensive and wonderful.
What does the man buy in the end?
A.A crocodile leather wallet.
B.A model ship and a model plane.
C.A toothbrush that can be folded.