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 flowers ?  
 Person2:  Of course , I like .  
 Person1:      What's your favorite flower ?  
 Person2:  Forsythia . It's also called winter jasmine which is the symbol of the spring's arrival .  
 Person1:      Spring is a lively season .  
 Person2:  Yes . How about you ?  
 Person1:      I admire plum blossoms very much . It seems that only it can blossom in the cold winter .  
 Person2:  You have a perfect taste !  
 Person1:      It is the symbol of laughing at hoar frost and fighting with snow . I admire the bravery of plum blossoms .  
 Person2:  But it used to be ignored by many people .  
 Person1:      The bright people will remember it forever .  
 Person2:  Well , it's snowing . Let's enjoy the plum blossoms when snowing . 

1