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:     Why are you walking to and fro in the room ?  
 Person2:  I ’ m worrying about the children . After all this is the first time they have been out without us .  
 Person1:      Don ’ t worry . They are grown-ups .  
 Person2:  I know . But I couldn ’ t help . 

1