Given the task definition and input, reply with output. 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: Susanna, look at this photo. It is near a cliff, but I don't remember where we took it. ,F: Um, well, it still looks cold. I think we'd been for a cycling to the Red Mountains National Park. ,M: Oh, I remember there was a cafe at the top of the cliff. We went there to have a rest and took a picture of the view. ,F: Yes, it's kind of dangerous. There is no fence, so we have to be careful. ,M: It is really a good picture. ,F: Oh look, there is a date on the back. We took it on August fifteenth. ,M: Yeah, it is just the day before Ricky's birthday.
(A) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) F: Right, that's16th August, I remember we went to his birthday party together, and we have a really good time playing with other people in the party. (C) F: Yeah, it's 15th August, we took this picture at the bottom of the Red Mountains National Park before the cycling, which is very fun. (D) F: Yes, that's 16th August, I remember we went to his birthday party together when we came back from the hiking to the Green Mountains National Park we went there.
B