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:     It's the 17th week now , isn't it ?  
 Person2:  Yes , it is .  
 Person1:      Oh , the final exam is coming soon . I feel a little bit nervous .  
 Person2:  Take it easy . There is still one more week left before the exam begins . Have you prepared for it well ?  
 Person1:      No , I haven't began my preparations .  
 Person2:  Then shall we make preparations together ?  
 Person1:      Great . You can help me a lot with English .  
 Person2:  All right . But I am very poor at math . Would you like to help me with my math ?  
 Person1:      No problem . 

1