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:     Tom , you look thoughtful and unhappy recently . What's wrong with you ?  
 Person2:  Lily broke up with me last week . In fact , she dumped me .  
 Person1:      Why ? I mean , why did she part company with you after seven years together ?  
 Person2:  She said it was because we had very different ideas about life .  
 Person1:      Do you believe her excuse ?  
 Person2:  Of course not . I knew she had fallen in love with another guy . It is difficult to see her move on so quickly .  
 Person1:      Come on , buddy , cheer up . Why not do some sports with me ? Violent exercise might help to shake you out of your disappointment in love .  
 Person2:  Thank you , Steven . You are really a good friend . 

1