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:     Would you like to stretch your legs ?  
 Person2:  Why not ?  
 Person1:      Let's get a soft drink .  
 Person2:  Do we have enough time ?  
 Person1:      Yes , we do .  
 Person2:  The performance is excellent .  
 Person1:      It's a new concert hall and the acoustics are great .  
 Person2:  I couldn't agree more .  
 Person1:      Is this your first time to come to a symphony concert ?  
 Person2:  Yes , it is .  
 Person1:      Do you have concert halls in your city ?  
 Person2:  Yes , but it's much smaller .  
 Person1:      Well , we'd better get back to our seats . It's about to start .  
 Person2:  OK . 

0