You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

[Q]: Sentence1: Sounds good. Have a good day. Sentence2: Thank you very much. I will contact them now. Sentence3: Can you give me the contact info for the nearest police station? Sentence4: Sure! The Parkside Police Station is located at Parkside, Cambridge and can be reached at 01223358966. Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: Can I help you with anything else today? Sentence2: I am looking to get an address and entrance fee for a theatre. Can you search for one for me using the criteria I mentioned earlier? Sentence3: There is no specific area. Sentence4: Entrance fee is not mentioned. There are no restaurants in that area that fit your criteria. Is there something else I can look up for you? Sentence5: Yes, get me a table for 3 at 15:30 on Saturday. Sentence6: Fantastic, have a great day! Sentence7: Is there a entrance fee? I am also looking for a cheap north american restaurant to dine at on the east side. Any recommendations? Sentence8: No that will be all! Thank you! Sentence9: Hi, can you please give me information on theatres in town? Sentence10: The Missing Sock is an international restaurant in the East and has a cheap price range. Would you like a reservation? Sentence11: I have made those reservations and the reference number is Y40MJDC0 . Sentence12: I have 5 theaters located in the centre and south which area would you like? Sentence13: Are there any serving international cuisine in the same area and price range? Sentence14: Great, thanks for your help! Sentence15: I see. What sort of information can I help you with? Sentence16: The address for adc theatre is park street. Question: Who has spoken the sentence 7? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 1OM7H5U4 . Is there anything else I can assist you with? Sentence2: Yes, I am interested in the Scott Polar Museum. Sentence3: Is there a certain kind of food you would like? Sentence4: That is all, thank you for your help. Sentence5: Is that in the north? Sentence6: CAn you help me plan a trip to see a particular attraction? Sentence7: Sure, the phone number is 01223336540. Can I help you with anything else today? Sentence8: Would you like to book tickets? Sentence9: Is there any restaurants located in the north side of town? Sentence10: ask is a nice place and serves Itailian food,o you want the adress ? Sentence11: I love Italian Sentence12: Ask is in the centre Sentence13: Do you know the name of the attraction, or what type of attraction it is? Sentence14: You're welcome and enjoy your stay. Sentence15: I also need a restaurant in the cheap price range please. Sentence16: There is one. It is da vinci pizzeria. Shall I book it? Sentence17: Yes, please book it for 13:30 on Saturday for 8 people. Sentence18: No, I'd like their phone number if you have it available, please. Question: Who has spoken the sentence 13? (A) User (B) System
[A]:
Answer: (B) System