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:     Do you feel better ?  
 Person2:  Much better . My heart sank when Mary told me that she wanted to leave me .  
 Person1:      Don ’ t be sad . Everything will be fine .  
 Person2:  Thanks a lot . You are so kind . 

1