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: Bob, I'm sure you know about secondhand smoke. ,M: Of course, I do. ,F: But have you heard about thirdhand smoke? ,M: Third hand smoke? I'm afraid not. What is it then? ,F: Well, it's here in today's paper. Parents may think they are protecting children from secondhand smoke when they smoke outside their home or only when the children are not there. But now researchers are warning about what they call third hand smoke. When you smoke dangerous matter from cigarettes gets into your hair and clothing. As babies are the weakest when you come to a baby. You pass it to the baby and increase the chances of disease in the baby. ,M: Is that so? In that case. I have to say that I should never get close to a baby. ,F: That's right. Actually, all smoking parents should do the same or better give it up completely.
(A) M: Yes, I agree with you. All of smoking parents should stop smoking altogether. (B) M: Yes, I agree with you. All of us should stop smoking together. (C) M: I didn’t hear you. Please could you tell me again? (D) M: You suggestion on reduce dangerous matters in cigarettes should apply to the government.
Output:
A