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:     What do you do in your spare time ?  
 Person2:  In summer I go hiking , and in winter I ski .  
 Person1:      Do you mind if I come along sometime ?  
 Person2:  No , not at all . Glad to have you . 

1