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:     What can I do for you , Miss ? 
 Person2:  I want to buy a bottle of perfume for myself . 
 Person1:      Well , here is a perfume kind for women . 
 Person2:  I don't like strong perfumes . 
 Person1:      How about this Isawell's flowery perfume ? 
 Person2:  I don't think it smells nice . 
 Person1:      Do you have green tea perfume ? 
 Person2:  Yes , here you are . 
 Person1:      May I have a look at this ? 
 Person2:  Sure . The bittersweet perfume has a calming effect on the nerves . 
 Person1:      I like this fragrance . 
 Person2:  How much is it ? 
 Person1:      150 yuan . 
 Person2:  I'll take it . 

1