You will be given a definition of a task first, then some input of the task.
In this task you are given a small conversation between two persons and 4 options on how the conversation should continue. Your job is to choose the most reasonable option. The conversation and the options are separated by a newline character. Each dialogue in the conversation are separated by a comma. F and M indicate female and male, respectively.

M: My doctor says I need an outside interest to get my mind off my work. Can you suggest a hobby? ,F: Well, electronics might be fun, but you don't want a hobby that requires a lot of expensive equipment, do you? ,M: No, I don't want to buy expensive equipment. I just want to do something that is relaxing and enjoyable. Do you think collecting umbrellas would be interesting? ,F: Collecting umbrellas? I've heard of a lot of unusual hobbies, but I've never heard of that one. You don't play a musical instrument, do you? ,M: Yes, I play the violin, but I want to do something different. What's your hobby? ,F: My hobby is stamp collecting. I've been collecting stamps since my childhood. And it's a lot of fun. Have you ever had a stamp collection? ,M: No. I've never had a stamp collection. It's difficult and it takes a long time to build a good stamp collection, doesn't it? ,F: Yes, building a good collection takes a long time. But a rare set of stamps can be very valuable. I can see that you're not interested in stamp collecting. So how about sports?
(A) M: It helps me get my mind off my work so I began to collect stamps since I was a teenager. (B) M: Building a good stamp collection is not difficult so I began to collect stamps since I was a teenager. (C) M: I'm sorry, I didn't understand. Could you repeat a little louder, please? (D) M: But a rare set of stamps is worth a fortune.
Output:
D