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:     Do you like singing ?  
 Person2:  Yes , I do .  
 Person1:      Let's go to a ETV tonight .  
 Person2:  But I can't sing it well .  
 Person1:      It doesn't matter . No one will laugh at you .  
 Person2:  OK , I'Il go with you . When shall we go ?  
 Person1:      What about six ?  
 Person2:  It's too early . Let's make it seven , OK ?  
 Person1:      OK . Let's make it . 

1