You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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Question: Sentence1: Thank you for using the Cambridge Town Info Centre Services. I hope you enjoy your time in Cambridge! Sentence2: is it in moderate price range? Sentence3: Do you have anything in the moderate price range? Sentence4: Most of our nightclubs are right in the center of town. Kambar is my favorite. Sentence5: No, thanks. Can you find a gastropub restaurant in the centre, please? Sentence6: it is an expensive gastropub Sentence7: Yes, there's the the cow pizza kitchen and bar. Sentence8: They're located on Corn Exchange Street. Would you like me to make a reservation for you? Sentence9: Awesome! Can you provide me with the address, entrance fee, and postcode, please? Sentence10: The address is 1 wheeler street cb23qb and admission is 5 pounds, would you like their phone number? Sentence11: I am looking for something fun to do while in town. A nightclub would be nice. Sentence12: What is their address? Sentence13: backstreet bistro is an expensive gastropub in the centre area. Would you like more information? Sentence14: No, I just need information for today. You have answered all of my questions. Thanks so much. Bye. Question: Who has spoken the sentence 1? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: There are lots of local attractions, are you interested in architecture? Sentence2: No thank you. That will be everything I need today. You have a nice day. Sentence3: You're welcome! Have a nice day. Goodbye. Sentence4: I have confirmed a taxi picking you up at backstreet bistro at 24:45. The contact number is 07972785913. A blue volkswagen will pick you up. Can I help with anything else? Sentence5: Yes sure as long as the attraction is in the city center. Could you also provide me with the phone number and postcode of the attraction? Sentence6: Sure. I also need somewhere to eat. I'm thinking something on the expensive side and close to the college. Sentence7: Backstreet bistro is located in town centre. The address is 2 Sturton Street City Centre, phone 01223306306. Do you need any further assistance? Sentence8: Can I get one in the centre of town and looking for gastropub food. Sentence9: Of course. How about Saint Catharine's College, in postcode cb21rl? Phone is 01223338300. Sentence10: Backstreet Bistro is an expensive restaurant in the centre of town that serves gastropub food. Would you like more information or to make a reservation? Sentence11: Alright, there are 33 different restaurants around the college that are expensive. Is there a type of food you are looking for? Sentence12: Hi, I'm planning a trip to Cambridge and would like a few ideas on places to go for fun. Sentence13: Information, please! I'm not looking to make a booking at the moment. Sentence14: Yes, can you book a taxi between the two? I would like to leave the restaurant by 24:45. Question: Who has spoken the sentence 9? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: An attraction of any type would be fine as long as it's in the centre, please. Sentence2: I want to know where I can go in the town centre of Cambridge. Sentence3: The address listed for Old Schools is simply Trinity Lane. And their postcode is cb21tt. Is there anything more I can do for you today? Sentence4: No thanks, but I am interested in getting a tax from Old Schools to the Cambridge Chop House. Can you help? Sentence5: What kind of food would you like and what price range Sentence6: Can you please recommend one and give me their postcode and phone number? Sentence7: Can you provide me the full address including postal code? Thanks. Sentence8: There are many places to go in the centre. Are you looking for an attraction or restaurant? Sentence9: Yes, I would also like to find an expensive restaurant in the same area. Sentence10: I would prefer British food and an expensive price range if possible. Sentence11: I would like to leave Old Schools by 19:00. Sentence12: I have three restaurants in the town centre that meet your needs. Might I suggest the Cambridge Chop house or Fitzbillies restaurant? Sentence13: I'm happy to have been of service. Goodbye! Sentence14: Thank you that will be all I need. Sentence15: Old Schools is an architectural attraction on Trinity Lane that has no entrance fee. Their phone number is 01223332320. Can I help you with anything else? Sentence16: Yes tell me one of those recommendations. Sentence17: I could recommend old schools. It is architecture and free to see. Would you like more information? Sentence18: What time will you be needing the taxi service for? Sentence19: Okay your all set! A red lexus will be picking you up the contact number is 07885505407, is there anything else I can help you with today? Sentence20: The Cambridge Chop House is a favorite of mine. It's located at 1 Kings Parade. Would you like me to book it for you? Question: Who has spoken the sentence 4? (A) User (B) System

Answer:
Answer: (A) User