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:     How did you first meet ?  
 Person2:  My roommate invited both of us to dinner .  
 Person1:      Was it love at first sight ? Did you fall in love with her the first time you met her ?  
 Person2:  Yes ! The first time I saw her I knew we would fall in love . 

1