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:     Song , I hate to say goodbye , but I have to . 
 Person2:  Nice meeting you , Kevin . I hope to see you again . 
 Person1:      Let's keep in touch . 
 Person2:  Sure , let's . Goodbye , then . 

0