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.

Example Input: F: How can you be shouting at your grandpa? You can't be so rude! ,M: No, I don't want to be rude to him, but I had to shout so that he could hear me. My grandpa has something wrong with his ears. He doesn't hear well. ,F: I'm sorry. I misunderstood you. Your grandpa looks kind. ,M: Yes, he is kind to everybody in our small town. So we all respect him.
(A) F: I didn’t hear you. Please could you tell me again? (B) F: Of course. Everybody will respect someone who is kind to other people. (C) F: Though your grandpa looks fierce, he earns respect by helping others. (D) F: He's respected for being the oldest man in town, so you never shout at him.
Example Output: B

Example Input: M: Hello, Clark Cycle here. How can I help you? ,F: Oh, hello. I saw your ad in the local paper and I'm wondering what kinds of bikes you have, and what your prices are like? ,M: Well, we hire out 3 main types of machine, electric touring and mountain bikes. Are you likely to be riding off-road, do you think? ,F: No, I'll probably be sticking to roads. So, we're touring bike would be best. ,M: Right, well the rate will be 50 pounds for a week or 14 pounds per day. ,F: So it's a lot cheaper to rent by the week. Is there anything else I'd have to pay? ,M: Well, for another 5 pounds, we can supply lightweight bags. There is no charge for things like a pump or for a lock. It's a good strong one, just make sure you don't lose the key.
(A) F: Yeah, it's not a good strong one and cannot make sure I don't lose the key. And you mean the lock needs extra charge, right? (B) F: Really? For another 4 pounds, you can supply lightweight bags for me? So, the bag needs extra charge? (C) F: For another 5 pounds, you can supply lightweight bags for me? So, the bag needs extra charge? (D) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly?
Example Output: C

Example Input: M: Mom, I climbed to get the teddy bear from the top of the shelf. ,F: My goodness.You may have hurt yourself. You mustn't do that next time.
(A) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (B) M: Come on, the shelf isn't tall, so it's not difficult for me to get the teddy bear. (C) M: The teddy bear was put at the bottom of the shelf, so I could easily get it. (D) M: I brought the cup from the shelf for you.
Example Output:
B