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:     Belinda , I ’ m going to a party tonight . What shall I wear ? 
 Person2:  Is it formal or informal ? 
 Person1:      I guess it ’ s formal . 
 Person2:  Then , you should dress well . 
 Person1:      That ’ s right . 
 Person2:  I think a white shirt with a blue tie looks nice on you . 
 Person1:      You are smart . 
 Person2:  Of course , the sports shoes don ’ t go with the formal occasions . 
 Person1:      You are right . What kind of shoes should I wear ? 
 Person2:  The brown leather shoes go well with your trousers . 
 Person1:      Good idea . Oh , by the way , would you please pick me up after the party , honey ? 
 Person2:  It ’ ll be too late ; you ’ d better take a taxi . 
 Person1:      OK . 

1