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:     I'm afraid I can't go to the pictures with you tomorrow .  
 Person2:  Busy with your work again ?  
 Person1:      Not really . I'm expected to attend a meeting .  
 Person2:  I'm not at all convinced . Tomorrow is Saturday ! 

0