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:     Hello . Is Bob there , please ?  
 Person2:  Hold on a second please . I'm sorry . He has gone out .  
 Person1:      Oh . This is Paul . When will he be back ?  
 Person2:  He will be back at about seven o'clock .  
 Person1:      Can I leave a message please ?  
 Person2:  Yes , certainly .  
 Person1:      Please tell him I'll call him at the office tomorrow afternoon .  
 Person2:  All right . I'll tell him when he comes back .  
 Person1:      Thank you very much . 

0