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've spilt ink all over the table-cloth .  
 Person2:  Oh , never mind about that .  
 Person1:      I'm terribly sorry . Won't you let me pay for it ?  
 Person2:  No , I won't hear of it . 

0