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:     Can I help you ? 
 Person2:  Yes.When is the next train to New York City ? 
 Person1:      Let me see ... the train to New York City ... here it is ... daily except Sunday at ten thirty , twelve twenty and fifteen ten . 
 Person2:  Aren't there any trains before ten thirty ? 
 Person1:      Sorry , not before ten thirty . 
 Person2:  Then one to New York at ten thirty . 
 Person1:      One way or round trip ? 
 Person2:  One way . 
 Person1:      A soft seat or hard one ? 
 Person2:  How much is a soft ? 
 Person1:      15 dollars.And for a hard one , only 6 dollars . 
 Person2:  Then one hard seat , please . 
 Person1:      OK.Here is your change.The train leaves on platform 8 . 

1