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

Q: Sentence1: Goodbye and have a nice day. Sentence2: Little Seoul's address is 108 Regent Street City Centre. Their phone number is 01223 308681. Sentence3: Thank you, goodbye. Sentence4: There are several restaurants located in the centre, which kind of food do you prefer? Sentence5: is there a restaurant in the Centre? Sentence6: Little Seoul serves Korean food in the city's centre. It is expensive but very classy. Would you like to know more about it? Sentence7: I would like one serving korean food, possible. Sentence8: Can I get the address and phone number? Question: Who has spoken the sentence 3? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Great I also need a taxi to take me between the two places and get me to the restaurant by 20:00 Sentence2: You are most welcome. May I help you with anything else, such as attractions? Sentence3: The University Arms is a 4 star hotel on Regent Street. Would you like me to make a reservation there? Sentence4: Booking was successful. Reference number is : VJQM2DFY . Anything else I can do for you? Sentence5: Is that in the centre area also, and in the expensive price range? That is what I'm looking for. Sentence6: In the centre, please Sentence7: Perfect!. Thank you for your help! Sentence8: Great, can you book for 1 person and 4 nights starting Wednesday. Sentence9: Have a great day! Sentence10: Yes, University Arms Hotel is a 4-star hotel in the expensive price range. Would you like to make a reservation? Sentence11: There are 33 expensive restaurants in the centre of town. Is there a specific type of cuisine you were looking for? Sentence12: Sure, which part of town did you want to eat in? Sentence13: Booking for the taxi complete look for a grey bmw car contact number is 07434690950 to arrive at the restaurant by 20:00 Sentence14: You have been booked at the Bedouin on Wednesday at 20:00 for 1 person. Your reference number is 29KJKZOD . Is there anything else I can help you with? Sentence15: I'm visiting the centre and want to go all out on the experience. Can you help me find an expensive restaurant? Sentence16: I need a place to stay. Sentence17: no, just surprise me. I need a reservation for 1 person at 20:00 on wednesday. Sentence18: No thanks, that's all I needed. Question: Who has spoken the sentence 15? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Sure, please book that for 6 people at 17:30 on wednesday. Sentence2: I want to leave on wednesday after 09:30. I need seats for 6 people and the reference number please. Sentence3: We need to go to Cambridge. Sentence4: We have many options available. What type of food would you like to eat? Sentence5: That should be no problem do you have a departure or arrival time in mind? Sentence6: thanks a lot i enjoyed your service Sentence7: Yes, we love Korean food and want to try the expensive price range, please. Sentence8: How about little seoul? It has gotten great reviews! Sentence9: Sure. There are plenty of places to eat. Do you have a preference for area, price, or location? Sentence10: I'm sorry those are not available. Sentence11: It's not available. Would you like to try a different restaurant? Sentence12: I actually need a train leaving kings lynn on wednesday. Sentence13: Thank you for your help. Good bye! Sentence14: No, could you try that restaurant for later that evening? Sentence15: I am traveling to Cambridge and looking forward to try local restaurants. Sentence16: TR3225 leaves Kings Lynn 10:11 and arrives in Cambridge at 10:58. Do you want me to book this train for you? Sentence17: could you try Monday @ 19:30 please? Sentence18: Thank you for using the Cambridge TownInfo Centre! Sentence19: We are having technical problems. Please call the restaurant directly at 01223308681. Anything else? Sentence20: I also need a place to dine. Can you help me? Sentence21: I don't think so. Sentence22: Could you try Monday then? Sentence23: It is not available for the time requested. Should I check different time? Sentence24: I am sorry, I can't book anything for that restaurant at all that night. Is there a different restaurant I can try for you? Sentence25: Pardon? Were you able to reserve our table, please? Sentence26: I can do that for you! Where would you like to go? Sentence27: Booking was successful, the total fee is 58.8 GBP payable at the station .Reference number is : USQHZNBW . May I assist you with anything else ? Sentence28: yes and please include a reference number Question: Who has spoken the sentence 7? (A) User (B) System

A:
Answer: (B) System
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