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:     Hey , what are you doing here ? 
 Person2:  I'm just shopping . 
 Person1:      What are you shopping for ? 
 Person2:  Some new clothes . How about you ? 
 Person1:      Same here . 
 Person2:  Have you found anything nice yet ? 
 Person1:      I found a few pairs of pants . 
 Person2:  Where'd you get those ? 
 Person1:      I found them at Pennies . 
 Person2:  Those are really cute . 
 Person1:      Do you want me to show you where I found them ? 
 Person2:  I would like that . Thank you . 

1