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:     Laura , what are you going to do today ?  
 Person2:  I'm going shopping .  
 Person1:      What time are you leaving ?  
 Person2:  I'm going to leave around 4 O'clock .  
 Person1:      Will you buy a ham sandwich for me at the store ?  
 Person2:  OK .  
 Person1:      Do you have enough money ?  
 Person2:  I'm not sure .  
 Person1:      How much do you have ?  
 Person2:  25 dollars . Do you think that's enough ?  
 Person1:      That's not very much .  
 Person2:  I think it's OK . I also have two credit cards .  
 Person1:      Let me give you another ten dollars .  
 Person2:  Thanks . See you later .  
 Person1:      Bye . 

1