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 up ? You look low .  
 Person2:  It's my girlfriend . I guess she's playing the army game .  
 Person1:      How come ?  
 Person2:  I saw her dating with her ex-boyfriend again .  
 Person1:      I understand that . But I think maybe it's not a date . You are taking the matter too much to heart .  
 Person2:  Maybe . But it still gets on my nerves . 

1