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 seen that house ?  
 Person2:  Yes , it looks interesting .  
 Person1:      You're right . I love it very much .  
 Person2:  It must be old .  
 Person1:      At least more than 100 years old .  
 Person2:  Let's enter it !  
 Person1:      I can't open the door .  
 Person2:  It must be locked .  
 Person1:      Let me ask the old woman in that reception office .  
 Person2:  She can't answer you .  
 Person1:      She must be deaf .  
 Person2:  It must be a haunted house.Are you frightened ?  
 Person1:      Frightened ? You must be joking . 

1