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

Q: Sentence1: yes that works. I also need a taxi to get between the guest house and restaurant. Sentence2: I'd also like the hotel type and internet status, please. Sentence3: found it, de luca cucina and bar is modern european centre of moderate price range. phone number is 01223356666 code,cb21aw and is located on 83 Regent Street Sentence4: Thank you, I want to book a table for 8 people at 11:30 on saturday. Sentence5: No just need the address and do they have free internet? I am also looking for a nice place to eat called the de luca cucina and bar Sentence6: It is a guesthouse, cheap, wifi and parking. Would you like to reserve it? Sentence7: Worth House has internet and parking. Will that work for you? Sentence8: Ok, a black bmw will pick you up in time to arrive for your reservation at de luca cucina and bar. The taxi's number is 07228077167. Anything else? Sentence9: Found it! It is located in the north and it is cheap. Would you like to make a reservation? Sentence10: Thanks. What was the address for Worth House? Sentence11: warkworth terrace is the address, anything else? Sentence12: Thank you, please contact us again if you'd like additional assistance. Have a great day! Sentence13: I'm looking for a hotel named Worth House Sentence14: That is all thanks for your time. Sentence15: Is that a hotel or guesthouse? And, do they have free internet? Sentence16: I was able to book it the reference number is 3EZLDF7Q . Question: Who has spoken the sentence 8? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: I sure can. What type of place are you looking for? Sentence2: I'm looking for a place to stay, can you help me out? Sentence3: I'm looking for a guesthouse that's moderately priced. Sentence4: Please provide me with attraction type preference that you may have so that I can narrow down to a few choices. Sentence5: There are 11 options which fit your requirements. What part of town do you prefer? Sentence6: Thank you very much. I think that is all the information I need today! Sentence7: Perfect I have you booked at the Avalon for 5 nights and 5 people, the reference number is I3B3EKYI . Is there anything else I can help you with? Sentence8: Preferably in the centre. Would like a reservation for 5 people, for 5 nights beginning Wednesday. Also looking for places to go in the centre as well. Sentence9: Sure, let us try the North. Sentence10: I need it in the centre and you can make a suggestion. Sentence11: I would either recommend Avalon or Limehouse. Both are great guesthouses. Which of those would you like me to book for you? Sentence12: Please give me their phone number and postcode Sentence13: Do you have a specific area or attraction type in mind? Sentence14: I would like to be in the centre, please provide me with an entrance fee, a phone number and post code. Sentence15: There are no places to stay in Centre matching your request. Would you like to try another part of town? Sentence16: Something moderately priced, but a 4 star accommodation. And I would like free wifi too please. Sentence17: I'm also looking for places to go around town Sentence18: You are welcome. Enjoy your trip. Goodbye Sentence19: Let's go with the Avalon. Could you make it for 5 people for 5 nights? We want to arrive Wednesday. Sentence20: Ruskin gallery is a museum in the centre of town and very popular. The entreance is free. Sentence21: That's great information, but so many options! Is there a part of town that you would like to stay or other amenities you would like to have while in town? Sentence22: The phone number is 01245493131 and post code is cb11pt. Question: Who has spoken the sentence 12? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: It is an expensive restaurant located at 22 Chesterton Road Chesterton. What else would you like to know? Sentence2: Sure, I can help you with that. Was there a particular area of town you were looking for? Sentence3: Thank you for calling. Sentence4: Yes can you please book that for me? Sentence5: Great, thanks so much! Can you please book me a taxi from the restaurant to the attraction, leaving the restaurant by 15:30? Sentence6: What type of food would you like? Sentence7: I am looking for an Italian restaurant if available Sentence8: I need the name of the restaurant Sentence9: restaurant two two is a french restaurant in the north. Would you like me to book that for you? Sentence10: Just the postal code and phone number please. Sentence11: The riverboat georgina is in the north and great fun. The address is cambridge passenger cruisers, jubilee house, postcode cb43ax. Do you need more information? Sentence12: I am sorry but there are no restaurants matching your request. Would like to try another part of town? Sentence13: I have booked the taxi it is a red volvo with contact number 07626130412. Sentence14: No but I would love it if you could find me something fun to do in the same area, maybe something boat related. Sentence15: Yes when would you like to book? Sentence16: I'm sorry, I'm actually looking for a restaurant that serves cuban food in the North. Sentence17: how about a french restaurant? Sentence18: The postal code is cb43ax and the phone number is 01223351880. Would you like me to book the restaurant for you? Sentence19: Actually, I just need a little more information. I don't need to book right now. What is the price range for this restaurant? Sentence20: Have a nice day. Sentence21: I am looking for a restaurant. Sentence22: It's a french restaurant, Two Two, I believe. Question: Who has spoken the sentence 20? (A) User (B) System

A:
Answer: (A) User
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