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:     Mike , what are you doing tonight ? 
 Person2:  Nothing special . I just want to get plastered . 
 Person1:      I don't feel like drinking tonight . I'm gonna hang out at YY's . 
 Person2:  YY's ? That place is boring . How about Xara's ? It's real classy , and they keep the place spin and span . 
 Person1:      Yeah , but it's expensive . Nah , I'm going to YY's . 
 Person2:  On second thought , I think I'll join you . 
 Person1:      They ' Ve just renovated the place . You may be surprised . 
 Person2:  Wow , they really went to town on this place ! 
 Person1:      Quite a difference , huh ? 
 Person2:  Sure is . Waiter , bring us two drafts , please . 
 Person1:      Ah hah.Thought you were't drinking . 
 Person2:  When in Rome , do as the Romans do . 

1