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:     How was school today ?  
 Person2:  It was great . I made some friends .  
 Person1:      Really , that's good .  
 Person2:  But the lessons this semester are a little bit hard .  
 Person1:      They aren't hard . I am sure you can do it . 

1