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:     which countries have you been to ? 
 Person2:  I ’ Ve been to most of the countries in Europe , several countries in asia , china , Japan , korea , and Thailand , and to the united states and Canada . 
 Person1:      I thought you had been to Australia too . 
 Person2:  no , but I ’ m planning on visiting Australia and New Zealand soon . I ’ Ve heard that they are beautiful countries . Which is the most beautiful country you ’ Ve been to ? 
 Person1:      I think I'd say Norway . It has many pictures as fjords , waterfalls , and mountains . 
 Person2:  isn ’ t it really cold there ? 
 Person1:      well , the north of Norway is almost always cold , but further south it can be fairly warm in summer . It ’ s a wet country , so there ’ s snow almost everywhere in winter . 
 Person2:  I ’ Ve been to other Scandinavian countries , but not to Norway . Perhaps I should go and do some winter sports there . 

1