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 are you going ?  
 Person2:  I ’ m going to the hospital .  
 Person1:      What ’ s the matter ?  
 Person2:  Professor Wang was hurt in a traffic accident .  
 Person1:      That ’ s too bad . How are things now ?  
 Person2:  His life is hanging by a thread , and he is under an emergency treatment . 

1