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 matter ? You don't look well .  
 Person2:  I am worried .  
 Person1:      What about ?  
 Person2:  My exam .  
 Person1:      Oh , is that all ?  
 Person2:  I feel very nervous about it .  
 Person1:      Don't worry about it . Try to look on the bright sight of things . 

1