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:     Have you received your TOWEL test results yet ?  
 Person2:  Yes , I did . I passed !  
 Person1:      Congratulations ! I knew you could do it .  
 Person2:  Well , I certainly couldn't have done it without your help . You are the best tutor I've ever had .  
 Person1:      Thank you , but it was your hard work that did it .  
 Person2:  You deserve credit , too . I've learned so much from You . 

1