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:     Hey Rachael , what's up ? How is your day ?  
 Person2:  Not bad.We have had a big meeting today , remember ?  
 Person1:      Oh , yea . I forgot.So how did it go ?  
 Person2:  Pretty well . I think the boss liked my ideas .  
 Person1:      Great , so what happens now ?  
 Person2:  Well , I have to write the proposal . I'm pretty excited about it . 

1