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 we have two tickets for this evening's film ?  
 Person2:  Sure.Which one ?  
 Person1:      Titanic .  
 Person2:  Where do you want to sit ?  
 Person1:      Front , please .  
 Person2:  Are these seats all right ? They're in the second rows .  
 Person1:      Do you have seats in the fourth or fifth rows ?  
 Person2:  Sorry.We ' Ve nothing further back .  
 Person1:      All right.We ' ll take the second row.By the way , how much is it ?  
 Person2:  Thirty yuan .  
 Person1:      Fairly expensive . 

0