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:     Where do you work ?  
 Person2:  I work at a hospital .  
 Person1:      Are you a doctor ?  
 Person2:  No , I'm a nurse . 

1