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:     Do you know Sally ?  
 Person2:  Sally ? She is a bachelor girl . She is an excellent designer . Many of the company's advertisements are her child trains .  
 Person1:      Why is she still single ? She must have a face that would stop a clock .  
 Person2:  Oh , quite the other way round . She is a knock-out . She devotes much of her time to her career . 

1