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 wrong , Bob ?  
 Person2:  I was wondering if you could company me to the Ball ?  
 Person1:      Of course , I will .  
 Person2:  That's great . I'll pick you up at eight . 

1