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:     Diana , do you like the perfume I gave you ?  
 Person2:  It ’ s good . But to tell you the truth , I don ’ t wear perfume .  
 Person1:      I ’ m sorry . I didn ’ t know that .  
 Person2:  That ’ s all right . Thank you all the same . 

1