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 don't know . I think you might be over the hill .  
 Person2:  Well , if not gymnastics , then mountain biking .  
 Person1:      Mountain biking is an Olympic sport ?  
 Person2:  Since 1996 it has been . And I bet I'd be pretty good at it . I ride my mountain bike to work almost every day . 

0