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.

M: Why do you have an umbrella with you? It's not supposed to rain today, is it? ,F: No, but it's supposed to be very hot. I'll use this umbrella to protect myself from the sun as soon as these clouds go away. ,M: I've never heard of using an umbrella for protection from the sun. ,F: Did you know that the Chinese invented the umbrella, and that it's first use was for protection against the sun, not the rain? ,M: I had no idea, you must get sunburned easily, huh? ,F: Oh, absolutely. I always get super red if I haven't put on sun cream.
(A) M: Do you never put on sunscreen because you are not easy to get sunburn? (B) M: Since you are so easy to get sunburned, why don't you bring an umbrella? (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: You don't even know the first use of umbrella. No wonder you don't have an umbrella.
Output:
C