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 . What's up ?  
 Person2:  Nothing much . What's new with you ?  
 Person1:      Not too much . I've been pretty busy .  
 Person2:  Me too . Seems like all I do is eat and sleep .  
 Person1:      Gotta go . Call me tonight .  
 Person2:  Okay . Check you later . 

1