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 going on ?  
 Person2:  Nothing really . How about you ?  
 Person1:      A lot , like the party I'm having on Friday .  
 Person2:  Well , that's cool .  
 Person1:      Will you be able to make it ?  
 Person2:  I'm busy this Friday . I'm sorry .  
 Person1:      What do you have to do ?  
 Person2:  I'm having dinner with my family  
 Person1:      Maybe you can come next time .  
 Person2:  I'll make sure and come to your next party .  
 Person1:      I'll look for you at my next party .  
 Person2:  I'll be there . 

1