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:     Good evening , Mr . Wu . 
 Person2:  Good evening , Mr . Smith . 
 Person1:      Have you met my wife , Mary ? 
 Person2:  No . I haven ’ t had the pleasure . 
 Person1:      Mary , this is Mr . Wu , my new Chinese friend . 
 Person2:  How do you do , Mr . Wu ? Welcome . 
 Person1:      How do you do ? 
 Person2:  Have a glass of wine , Mr . Wu ? And let me introduce you to some of my guests . 

0