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:     Can you do push-ups ?  
 Person2:  Of course I can . It's a piece of cake ! Believe it or not , I can do 30 push-ups a minute .  
 Person1:      Really ? I think that's impossible !  
 Person2:  You mean 30 push-ups ?  
 Person1:      Yeah !  
 Person2:  It's easy . If you do exercise everyday , you can make it , too . 

1