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:     This man looks very handsome.Is he married ?  
 Person2:  Sure.He has already married , a father of two boys .  
 Person1:      Oh , I can't believe it.He looks very young .  
 Person2:  He took the picture when he was only 21 years old .  
 Person1:      I see . 

1