Definition: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. If the conversation begins with a question, label it '1' otherwise '0'.
Input:  Person1:     Marquet , do you think I should enroll in the science course ? 
 Person2:  Yes , I think so , If you want to graduated this year , you've got to take a science course . 
 Person1:      Right , I figure since you are doing premedical , you know about the very courses . 
 Person2:  Well , I have to take biology , chemistry , maps and physics . What you need is a good introductory course for non-science majors . 
 Person1:      Yes , I really weak in maps , I did poorly in high school . 
 Person2:  That's a problem . 

1