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:     Can I help you ?  
 Person2:  I'm looking for a Sharp DVD Player .  
 Person1:      Sure . Any particular model ?  
 Person2:  Yes . The DS102 series .  
 Person1:      Oh , I'm afraid we've sold out of those . They were really popular .  
 Person2:  Will you be getting more in .  
 Person1:      Yes . But not for about 2 weeks . 

1