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.

F: Excuse me, Sir. But could you not smoke here? I'm pregnant. ,M: Of course, I'm sorry, ma'am. I actually hate it too, but I can't quit. ,F: I know it's not easy, but many of my friends have succeeded in quitting. ,M: Really? How did they do it? ,F: They quit for their family, they decided to give up smoking after they got married. ,M: So, are you married? ,F: No, I'm only 22 years old. ,M: Then you must have started smoking at an early age. ,F: Yes, I started 5 years ago, I was copying my father. Now I know that was a mistake. But it's too late. ,M: It's not too late. You must believe that if you just try, you can do it. ,F: Thanks. ,M: So, does your father still smoke? ,F: Not since he got throat cancer. I was really scared when I was told the news. ,M: Smoking is really harmful. The earlier you stop smoking the better it is.
(A) F: Yeah, the earlier I stop smoking the better it is. Oh, although we are strangers, you are so warm-hearted. (B) F: Really? You mean smoking is not really harmful, doctor? And although I am a patient, I can smoke now? (C) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) F: Really? Honey, you mean the later I stop smoking the better it is? You are my huaband and I will take your advice.
Output:
A