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 your number ?  
 Person2:  I'm number seven . What about you ?  
 Person1:      Five .  
 Person2:  Hah hah ! You have to go before me .  
 Person1:      You think it's funny . I'm terrified .  
 Person2:  Don't worry . It's safe .  
 Person1:      But I've never jumped off anything in my life . The highest thing I've jumped off is my bed . I'm scared .  
 Person2:  You are the one who wanted to come here , Sandy . You should enjoy it .  
 Person1:      I guess I'm adventuresome , but then I'm scared too .  
 Person2:  I'm not too scared . But I've done sky diving before . 

1