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:     Hello , is this Professor Clark ?  
 Person2:  Yes , I am Professor Clark .  
 Person1:      Hello , Professor , this is Kalina , and I am in your literature class on Monday mornings .  
 Person2:  Yes , how are you doing ?  
 Person1:      I was partying hard over the weekend , fell down the stairs , and need time to recuperate .  
 Person2:  That sounds painful . Are you going to be OK ?  
 Person1:      I sprained my wrist , but the doctor says it will be fine .  
 Person2:  How many days will you be out of school ?  
 Person1:      The doctor said I should be good enough to return next week .  
 Person2:  I am glad you let me know that you will be missing class . Get well ! 

1