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's that ? 
 Person2:  These drawings on the wall are process sheets . 
 Person1:      Oh . 
 Person2:  They describe how each process goes on to the next . 

1