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:     I've booked an air ticket to Venice .  
 Person2:  How long will you be there ?  
 Person1:      I'd like to stay there for a week .  
 Person2:  So you'll have a tour of the famous city .  
 Person1:      Certainly . 

0