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 . Can I talk to David ?  
 Person2:  One second , please . ( a few seconds later , the receiver comes back and says ) Hello ?  
 Person1:      Yes .  
 Person2:  I ’ m sorry . David is out to lunch right now .  
 Person1:      Okay . I ’ m his wife . Could you tell him to call me back when he returns ?  
 Person2:  Sure . Does he know where to call you ?  
 Person1:      Oh , thanks . Please tell him to call my cell-phone number .  
 Person2:  Ok , I will .  
 Person1:      Thank you very much .  
 Person2:  No problem . 

0