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 think you should look over these figures again . There are some calculations that are a bit off .  
 Person2:  I apologize . This should not have to be this way .  
 Person1:      Apology is accepted . Try to do better next time .  
 Person2:  Of course , I should have been more careful . I ’ m sorry . 

0