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'.

Person1: Oh , hi , Lily . When did you get back from Canada ?
Person2: Just last week .
Person1: How was it ?
Person2: Oh , I loved it . I only visited a couple of cities , you know . But I had a great time .
Person1: Well , tell me . What are they like ?
Person2: They ' re nice .
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Person1: What kind of music do you like ?
Person2: I like popular music best .
Person1: Me too .
Person2: Who is your favorite singer ?
Person1: Qi In is .
Person2: Do you know this song ?
Person1: Yes , I like it very much .
Person2: Let's sing it together , shall we ?
Person1: No problem .
1

Person1: Hello , Is this room service ?
Person2: Yes , May I help you ?
Person1: This is the room 1425 , we asked for the room service an hour ago .
Person2: we are very sorry to cause you a lot of inconvenience .
Person1: What's the matter ?
Person2: We're rather busy right now . It will take another 15minutes
Person1: Is it really going to take that long , will you rush the order ?
Person2: I'm afraid it will take 15 minutes at most .
Person1: ha , well , we have no choice .
1