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: M: Does this bus really go to the mall? ,F: It goes all the way there. ,M: Are you sure? ,F: I know it does. I take this bus a lot.
(A) M: You must take this bus a lot. (B) M: You are still not similar with this bus even if you leave near the city. (C) M: You are still not similar with this bus even if you are an experienced driver. (D) M: I didn’t hear you. Please could you tell me again?

Output: A


Input: Consider Input: M: Do you know Mister Green works in a hospital? ,F: Yes, I heard that the hospital is near the railway station.
(A) M: But I'm so surprised to hear that he works in the railway station. (B) M: But I'm so surprised to hear that he works in a hospital, and it's so inconvenient that the hospital is far away from the railway station. (C) M: I am afraid I did not quite catch what you were saying. Please repeat it. (D) M: But I'm so surprised to hear that he works in your company.

Output: C


Input: Consider Input: F: Jim, I heard you took a trip to San Diego is that right? ,M: Yes, my daughter Emily was admitted by San Diego University. So I drove her there. ,F: Did you spend some time visiting the city on the trip? ,M: Yes, but I was only there for 2 days. So I didn't do too many things. ,F: What did you do there? ,M: We looked around San Diego University. We went to the beach. We walked around the city. We also dropped in on a brave boy suffering from cancer. My daughter and I read about him in a newspaper, if you want to know more about the boy. You can read some news about him on the Internet.
(A) F: So you learned about the boy with cancer on the Internet and that's why you only spent a week in San Diego, right? (B) F: I didn’t hear you. Please could you tell me again? (C) F: Even though you learned about the cancer boy in the newspaper, you spent a month in San Diego! (D) F: Why did you spend only three days in San Diego when you learned about the boy with cancer from your daughter?


Output: B