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.

Ex Input:
M: Ivy, how do you like your new apartment? ,F: Well, I wish I hadn't moved in. The man who lives upstairs often plays the piano till midnight. I really cannot stand it. ,M: Why don't you ask him to stop? ,F: I've tried, but it doesn't work. He never listens to me. what's worse, he isn't the only one that I cannot stand. The woman who lives across the hall often comes over to borrow things, but she seldom returns anything.
(A) M: Good, if you live together, you can borrow things from her. (B) M: I’m sorry, I don’t understand. Could you say it again? (C) M: Oh, That's terrible. You should ask her to return back. (D) M: Oh, so do you want to rent an extra room from him?

Ex Output:
C


Ex Input:
M: What did you buy at the market? ,F: I bought some special local products. ,M: You seem to have bought the whole market. ,F: Yes. I really wanted to do so. I love those handicrafts, especially the papercuts. ,M: Papercuts are all handmade. Let me see the papercuts you bought. Oh they're all animals. ,F: Aren't animals. The main content of Chinese paper cuts. ,M: Alright animals are the most common theme in paper cuts, but there are other themes. ,F: I will buy some tomorrow. ,M: Why do you want to buy so many?
(A) F: Because I want to buy some paper-cuts tomorrow and give them to my friends. (B) F: I’m sorry, I don’t understand. Could you say it again? (C) F: I want to learn to make paper-cuts tomorrow and give them to my friends. (D) F: I didn't buy anything from the market. Tomorrow I will send paper-cuts to my friends.

Ex Output:
A


Ex Input:
M: I always begin my lecture with a joke. That puts the audience at ease. ,F: They laughed to put you at ease.
(A) M: Although I like to begin my lecture with a laugh, attention is unresponsive. (B) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) M: Although the audience doesn't laugh, I like to begin my lecture with a smile. (D) M: Although the audience doesn't laugh, I like to begin my lecture with a joke

Ex Output:

B