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:     Oh , what a pleasant surprise ! Don't you remember me ?  
 Person2:  Mr.Black , if I'm not mistaken .  
 Person1:      Right ! Glad to see you here .  
 Person2:  Pleased to see you.too . 

1