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:     Do you think we should travel by bus or by train ?  
 Person2:  It ’ s a difficult choice . The train is a litter faster , but much more expensive .  
 Person1:      We could face delays if we travel by bus , thanks to traffic jams .  
 Person2:  Buses are more cramped and you can ’ t walk around .  
 Person1:      That ’ s true , but I feel that I see more when I travel by bus .  
 Person2:  Really ? I think you see more traveling by train .  
 Person1:      So , which form of transport do you prefer to use ?  
 Person2:  I prefer going by train , ever though it costs more .  
 Person1:      Ok them . We ’ ll go by train . I ’ m sure we ’ ll have a good journey . Shall we go to the station and buy the tickets ?  
 Person2:  The train aren ’ t usually full . We can get them on the day we travel . We should buy return ticket because they are much cheaper than getting two singles .  
 Person1:      We should take a packed lunch on the journey . The food they sell on the trains is always expensive . 

1