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:     Good morning . Welcome to Time After Time Watches .  
 Person2:  I'd like to buy a watch .  
 Person1:      Well , you've come to the right place . What kind of watch are you looking for ?  
 Person2:  Well , I'm not sure . Let's see . How much is this one ?  
 Person1:      Hmm ... This Rolex ? $ 1,000 .  
 Person2:  Oh . I don't think I can afford that . How about this one ?  
 Person1:      This one is $ 500 .  
 Person2:  Wow . That's too much for me . Don't you have anything cheaper ? 

0