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 are you worrying about ? 
 Person2:  I am worrying about my husband . 
 Person1:      Where is he ? Is he in danger ? 
 Person2:  You know , he is a taxi driver . He has to have his eyes peeled all the time when he drives , especially during the rush hour . 

1