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:     So , Karen , what do you do in your free time ?  
 Person2:  Well , I like to play the piano .  
 Person1:      Really ? How long have you been playing piano ?  
 Person2:  About 18 years , I started learning when I was a kid .  
 Person1:      That ’ s really interesting , you have to play for me some time .  
 Person2:  Sure , so , what about you ? Do you have any hobbies ?  
 Person1:      Well , I collect beer mats . I ’ m not sure that counts , though . 

1