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:     What's the time now ?  
 Person2:  Sorry , I don't know , there's something wrong with my watch .  
 Person1:      You've simply forgotten to wind it up , have you ? When do you usually wind it up ?  
 Person2:  In the coming , before going to work .  
 Person1:      You got up so late today . You have , I think . Turn on the TV and set your watch by it .  
 Person2:  OK . I'll turn it on .  
 Person1:      All right . It's just four o'clock .  
 Person2:  Well , I'm setting my watch at four . Thank you .  
 Person1:      You are welcome . 

1