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:     Lucy , where are you going ?  
 Person2:  I want to go to the supermarket .  
 Person1:      Wait a few minutes and I'll go there with you .  
 Person2:  Let's get a shopping cart .  
 Person1:      Good idea  
 Person2:  What are you going to buy ?  
 Person1:      Let's check out the fruit section first .  
 Person2:  OK . I'd like some oranges . But they don't look quite ripe yet .  
 Person1:      Look , nice fresh cherries ! They are ripe and soft . I'll take some .  
 Person2:  I'll take some , too .  
 Person1:      Let's go to the snacks section . I want some chocolate and sweets .  
 Person2:  OK . I'll go and buy some cakes .  
 Person1:      Do you want to buy something else ?  
 Person2:  No . Let's go over to the check-out stand . 

1