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:     Hey Michael . Where are you going ?  
 Person2:  No where special . I was just taking a walk .  
 Person1:      What for ?  
 Person2:  To get a little exercise . I'm so out of shape .  
 Person1:      Hey , I play basketball with a bunch of friends twice a week . It's great exercise and it's fun too . Why don't you come out and play with us ?  
 Person2:  That sounds great . Give me a call next time you guys play . 

1