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:     You look fresh recently.How do you make it ?  
 Person2:  I attend an aerobic class three times a week .  
 Person1:      Aren't you tired ?  
 Person2:  No , I feel young , fresh and energetic . 

1