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:     Mary , how was your date with John ? 
 Person2:  It ’ s OK . It seems we have a lot in common . 
 Person1:      Oh , really ? That is great news . What does he look like ? 
 Person2:  He is tall and slim , fair-haired . 
 Person1:      Sounds like he is pretty cute . What do you think of him ? 
 Person2:  He is a nice guy and very considerate . I am impressed with how smart and humorous . 
 Person1:      Oh , it ’ s love at first sight . 

1