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:     Did you hear about car accident on Spring Road yesterday ?  
 Person2:  Yes , I did . I heard that they took both drivers to hospital . One needed surgery .  
 Person1:      Yes . I heard he had a few broken bones too , but that the doctors have set the fractures without any problems .  
 Person2:  The second driver was luckier . He had a concussion and needed some stitches for his head wound .  
 Person1:      Yes . He was released from hospital yesterday evening . The other man could be there for weeks .  
 Person2:  I understand that he ’ s connected to a heart monitor and breathing apparatus . His condition can ’ t be very good .  
 Person1:      The hospital announced this morning that his condition is poor but stable . What does that mean ?  
 Person2:  It means he ’ s really badly injured , but he will almost certainly survive .  
 Person1:      His family will be pleased to hear that . They must have been so worried . 

1