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.

Input: Consider Input: F: It's too difficult for me to keep up with my classmates. ,M: You should play less and study more I'm afraid.
(A) F: Yes. I should have played more and relaxed myself because I have kept up with my classmates. (B) F: Yes. Maybe I have studied too much. I should relax myself because I have kept up with my classmates. (C) F: I guess you are right. I didn't study hard enough. (D) F: Excuse me, could you repeat the question?

Output: C


Input: Consider Input: F: Would you like to come mountain climbing with us? ,M: That's the last thing in the world I ever want to do.
(A) F: Since you haven't travel around the world, why don't you travel to Japan with us? (B) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) F: Alright, since you don't want to go skiing with us, we'll leave you alone. (D) F: Well, since you don't want to go climbing the mountain, we'll go without you.

Output: D


Input: Consider Input: F: I don't feel like going out. ,M: Oh, mom, you promised to take me out for dinner and to the theater. ,F: But homework always comes before dinner and theater, you know.
(A) M: Let's go to the theater now. (B) M: So you will first take me out for dinner and then send me back to do homework. (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: OK. I will do my homework first.


Output: D