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:     Why are you so late ?  
 Person2:  I've been through a lot today . I forgot to set my alarm clock last night , so I woke up late this morning . And what is worse , I missed the school bus .  
 Person1:      That's enough . Sit down . 

1