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

Q: Sentence1: I'm also looking for a restaurant in the centre of town that serves chinese food. Sentence2: I need to leave bishops stortford. Do you have a train going out? Sentence3: The Ugly Duckling sounds interesting! What's their address? Sentence4: I'd like to go to Cambridge and would be leaving on Thursday after 16:30. What is available then? Sentence5: Fantastic, have a great day! Sentence6: They are 10.10 pounds each Sentence7: I have 4 choice for you. The Ugly Duckling, Tang Chinese, HK Fusion, and the Sesame Restaurant and Bar. Does one of these sound like something you would like to try? Sentence8: No thank you. That is all. Sentence9: The Ugly Duckling is located at 12 St. Johns Street City Centre. Their postcode is cb21tw. Is there anything more I can help with? Sentence10: There's a train that leaves at 17:29 and arrives by 18:07. Does that sound okay? Sentence11: I am sure I do, where would you like to go? Sentence12: Yes, that would work. What is the price of a ticket? Sentence13: There are several Chinese restaurants in the centre of town. What price rnge are you looking for? Sentence14: I prefer something expensive. Question: Who has spoken the sentence 13? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Thank you. Could you please get me the phone number? Sentence2: Yes, I was wondering what the location is of Addenbrookes Hospital. Sentence3: no, that's all thanks Sentence4: That hospital is located on Hills Rd, Cambridge. Sentence5: Happy to help. Feel free to call back if any additional questions come up. Have a good day. Sentence6: The main hospital phone number is 01223245151. Were you looking for a specific department? Question: Who has spoken the sentence 4? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: Cambridge has so many great museums to choose from, what sort of museum are you interested in visiting? Sentence2: I'm showing 33 hotel and guesthouses in the centre. What is your price range, do you want wifi and parking? If this is not a good area I can look more. Sentence3: No that's all I need today. Thanks so much. Sentence4: I would recommend Cambridge Contemporary Art at 6 Trinity Street. Sentence5: Thank you I also need a place to stay that has free wifi and 4 stars and in the west of town. Sentence6: Okay, so then book the taxi as requested please, and again do not forget the car type and contact number Sentence7: The postcode is cb30nd. Sentence8: I'm happy to tell you that i found three 4 star hotels on the West part of town. Can I book one for you or assist you further? Sentence9: Of course, a yellow ford has been booked for you. They can be reached at 07814309592. will that be all today? Sentence10: You are welcome and enjoy. Sentence11: Hello! I'm looking for a museum to go to. Sentence12: I also need taxi to take me from the Museum at 22:00 to the hotel, get me the contact number and car type for the taxi. Sentence13: I am sorry about that, we are swamped right now. The name is called finches bed and breakfast, sorry for any confusion. Sentence14: No, I just need the postcode please. Sentence15: I am not sure of the name, you did not provide it. Sentence16: Which on is in the west? Sentence17: I'm sorry for the confusion, what hotel did you choose so that I can book the taxi for the correct location? Sentence18: No, can you choose the best one for me and give me the address? Sentence19: I would like any type of museum that is located in the centre of town. Can you provide me with an address? Sentence20: Found 2 hotels with 4 star 1 expensive and the other is cheap which one will you prefer? Sentence21: I have no price range but it needs to be 4 star. Sentence22: There are 11 museums in that area. Would you like to learn about all of them? Question: Who has spoken the sentence 20? (A) User (B) System

A:
Answer: (A) User
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