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:     Who wants to go first ? Lily ? 
 Person2:  Oh ... I mostly just like to listen . You're the groom . Why don't you go first ? 
 Person1:      OK.Put on something by the Backstreet Boys ! 
 Person2:  How about As Long as You Love Me ? You can pretend you're singing it to your fiancee Brooke ! 
 Person1:      I'd better not . Brooke hates the Backstreet Boys ! 

1