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:     Excuse me . 
 Person2:  Yes , sir . Can I help you ? 
 Person1:      Um , this steak , I asked for to be medium rare . 
 Person2:  Medium rare , that ’ s right , sir . I remember your order . 
 Person1:      Well , I ’ m afraid it isn ’ t . It ’ s a bit too well done and rather tough . Would you mind changing ? 
 Person2:  If it is not to your satisfaction , I ’ ll certainly bring you another . But I ’ m afraid you may have to wait for a few minutes . 
 Person1:      Yes , that ’ s all right . Thank you very much . 

0