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:     Excuse me , could you tell me where you have got that music book ?  
 Person2:  Certainly . Let me see . Oh , it's on that self .  
 Person1:      It's too high . I can't reach it . Could you help me ?  
 Person2:  Of course . Here you are .  
 Person1:      Thank you very much . 

0