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:     Julie , is that you ?  
 Person2:  Yes . And you're Paul , right ? Paul Hill ?  
 Person1:      Yes , it's me . And you're Julie Ashley . How are you ?  
 Person2:  I'm fine . After ten years , you still look great !  
 Person1:      So do you ! How are you doing ?  
 Person2:  Not bad . Let's find a table and sit down . We have a lot to talk about .  
 Person1:      Okay , let's sit over there . 

1