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 a surprise meeting you here , Landy .  
 Person2:  I ’ m here as a tourist .  
 Person1:      It ’ s a small world , isn ’ t it ?  
 Person2:  Yes , it ’ s a small world . We never know where we ’ ll meet someone we know . 

0