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 time is it by your watch ?  
 Person2:  I'm sorry , my watch has stopped .  
 Person1:      It's 2:42 by my watch . But it moves a bit fast .  
 Person2:  Let's ask someone else . 

1