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:     I'd better be going .  
 Person2:  So soon ? Why don't you stay a little longer ?  
 Person1:      I wish I could , but it's already late .  
 Person2:  Oh , it's a pity that you have to leave .  
 Person1:      Thank you for a wonderful meal .  
 Person2:  I'm glad you enjoyed it . 

0