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:     Tyler residence .  
 Person2:  Is this Naomi ?  
 Person1:      No , this is her sister , Nancy .  
 Person2:  You sure sound like Naomi .  
 Person1:      Oh . Can I take a message ?  
 Person2:  Sure . Please tell her that Andy called .  
 Person1:      Okay . I'll give her the message .  
 Person2:  Thanks .  
 Person1:      Bye . 

0