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:     The final examination will be held at the end of this month . Have you made good preparation ? 
 Person2:  Sure . I've reviewed all the lessons I have learned this academic year . 
 Person1:      Are you sure you can do well this year ? 
 Person2:  I am 100 % certain . 
 Person1:      According to what you did last time , I have my doubts . 
 Person2:  I am sure I can get a 95 this time . 

1