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:     Annie , what is troubling you ? You look unhappy .  
 Person2:  A man is pursuing me . He was my schoolmate in college , and he has been carrying a torch for me for three years .  
 Person1:      Do you like him ?  
 Person2:  Yes , I do like him .  
 Person1:      Then why are you hesitating ?  
 Person2:  You know that I have had a series of miserable relationships . Last summer , I fell in love with John . But the romance blossomed for six or seven weeks , and then wilted .  
 Person1:      One love drives out another . You shouldn't be afraid to start a new relationship .  
 Person2:  Maybe you are right . 

1