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 like plum blossoms ?  
 Person2:  Certainly . I prefer the winter and I love plum blossoms much more .  
 Person1:      It's snowing heavily . What about taking a walk ?  
 Person2:  Seeking plum blossoms with stepping on the snow ? That's a good idea . Let's go !  
 Person1:      What a heavy snow !  
 Person2:  Take care ! Don't slip down to the ground .  
 Person1:      I've got it . I like the sound of stepping on the snow very much .  
 Person2:  Yes . Very wonderful .  
 Person1:      Do you smell the sweet scent ?  
 Person2:  Yes . It should be the fragrance of plum blossoms .  
 Person1:      The fragrance of plum blossoms comes from the hard coldness . 

1