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:     Hi , Elvin . How are the new programmers I got for you ?  
 Person2:  Stay away from me .  
 Person1:      Are you still mad about your nose ? How is it ?  
 Person2:  I'm serious , Zina . Back off . I have a bottle of pepper spray in my pocket .  
 Person1:      That won't be necessary , Elvin . Look , I want to apologize for your nose . I'm sorry .  
 Person2:  Why are you being so nice to me ? Don't think for a second that I trust you . 

1