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:     Hey , what's the matter ? 
 Person2:  It doesn't matter . I just feel a little dizzy . 
 Person1:      Are you sure that this has nothing to do with sleep ? 
 Person2:  I don't know . 

1