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:     Do you have any habits such as smoking ?  
 Person2:  No , I rarely smoke . I don't drink , either . I only drink with my family on celebrations or with close friends .  
 Person1:      What kind of winter sport do you like best ?  
 Person2:  My favorite winter sport is skiing . In addition , I am keen on basketball .  
 Person1:      What do you like doing in your spare time ?  
 Person2:  I like doing aerobics in my spare time . It's good for my health .  
 Person1:      Do you have any hobbies ?  
 Person2:  Yes , I have . I collect stamps , Chinese stamps as well as those from other countries . 

1