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 did you do last vacation ?  
 Person2:  I learned to drive and I got a driving license .  
 Person1:      What will you do this vacation ?  
 Person2:  Travel . 

1