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:     Remember that old man who used to beg for money on the street across from our house ?  
 Person2:  Yeah . Whatever became of him ?  
 Person1:      He got a job and now he owns a small grocery in town .  
 Person2:  That's great . We should visit him some time . 

1