Definition: 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: F: I can't decide which classes to take. I don't like any of the ones I've signed up for and two of the ones I really have to take are at the same time. ,M: Pass me the course schedule book. Which classes are at the same time? ,F: Biology 201 and introduction to chemistry. The both required classes. ,M: Let's find out if either of them is offered next semester. Look here, the chemistry classes. You can just take it in the spring. ,F: Yes, that's true and the biology class is in a series so I need to take 201 this semester. The only problem with taking chemistry next semester is that it meets every day at 8:00 AM.
(A) M: Yes, chemistry class will not open in the spring, you need to take it this semester or you will miss it. (B) M: Though biology 201 is not in a series, you still should take it this semester. It'll not open next semester. (C) M: Taking physics this semester sounds good. But why do you come after you've decided all your classes? (D) M: I’m sorry, I don’t understand. Could you say it again?

D