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 shall we do after the volleyball match ?  
 Person2:  How about going to the Olympic souvenir store to have a look ? I remember there is one in the gym .  
 Person1:      That's a good idea . I was thinking of buying some gifts for my family .  
 Person2:  Me , too . What did you have in mind ?  
 Person1:      I haven't decided yet , but I think the Olympic Mascots are a must .  
 Person2:  I agree . They're very lovely , especially Huanhuan  
 Person1:      Is that the red one ? That is my favorite , too . Do you know how much they are ?  
 Person2:  The five dolls are sold together as a set , and they're priced according to the size . The bigger they are the more expensive .  
 Person1:      Oh , I see . If I buy more than a set , can I get any discount ?  
 Person2:  I don't think so . All the souvenirs of the Olympic Games are very hot right now .  
 Person1:      Any other ideas ?  
 Person2:  There are lots of things , such as postcards , key chains , posters and various arts and crafts .  
 Person1:      It all sounds great . We can go there after the match . I can't wait to see what they have . 

1