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 many people are there in your family ?  
 Person2:  Five . Besides my parents and me , there are my brother and sister .  
 Person1:      That is a big family . How old is your sister ?  
 Person2:  15 .  
 Person1:      What about your brother ?  
 Person2:  He ’ s not quite 25 .  
 Person1:      Do you miss your family ?  
 Person2:  Yes .  
 Person1:      Do you often go home ?  
 Person2:  No . But I write to them often .  
 Person1:      How often do you write to them ?  
 Person2:  Once a month . 

1