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: I have your taxi booked. Look for a blue volkswagen, contact number 07655267463. Is there anything else I can help you with? Sentence2: I need to book a place to stay with a star of 4. I don't need free parking. Sentence3: Can you please provide me with the address, telephone number and the cost of admission. Sentence4: Thank you. Enjoy your stay Sentence5: I now need a taxi to get to the church from the hotel. I would like to leave the hotel by 15:45. Can you book that for me? Sentence6: I don't care about location, just would like a moderate price with 4 stars please. Sentence7: We have 44 attractions in the centre of town Broughton House Gallery is a museum we have available. Sentence8: We have 11 in the moderate range. They are all a guesthouse accommodation. Would you like one of these? Sentence9: I need one with free wi-fi. Sentence10: I have you booked. The reference number is WPGQ4ADJ . Sentence11: After that I'm also going to need the reference number. Sentence12: OK, now can you tell me about some of the attractions in the center of town? Sentence13: I would also need to book it for 4 nights. Sentence14: No, that is all. Thanks so much. Bye. Sentence15: One person, and I'd like to arrive on Tuesday. Sentence16: We have over 20 fine hotels. Do you have any preferences of cost or location? Sentence17: How long do you want to stay? Sentence18: Can i book one on tuesday? Sentence19: OK, let me see what I can do. Sentence20: How about All Saint's Church at 01223452587 in the centre? It's free. Sentence21: before I look for that, could you let me know how many people are staying and what day you'd like to arrive? Sentence22: I have two: a and b guesthouse in the east and avalon in the north. Would one of these work for you? Question: Who has spoken the sentence 18? (A) User (B) System

Answer: Answer: (A) User


Question: Sentence1: Is there any place to eat that serves Indian? Sentence2: Thank you so much. I think that will be it for today. You've been a great help. Goodbye. Sentence3: Yes, please book a table for 8 on Tuesday at 20:15. I'd also like the reference number, please? Sentence4: Yes could you please book that for me for 8 people and provide a reference number for the booking. Sentence5: Which area are you referring to? Sentence6: Which restaurant should I book? There are 5, in the west, that serve Indian food. Sentence7: Can you suggest one that has an expensive price range, please? Sentence8: I am looking to arrive by 17:15 on tuesday. Sentence9: Would you like me to reserve a table? Sentence10: I have the reservation booked at the restaurant. The reference number is 2YCEETCJ . Sentence11: We have many fine restaurants in the west, but I recommend Sala Thong, which serves Thai food. Would you like to book a table? Sentence12: I'm glad I could help. Have a wonderful trip and a wonderful day. Goodbye. Sentence13: Yes please book it for 8 people on tuesday at 20:15 Sentence14: Booking was successful, the total fee is 102.4 GBP payable at the station . Reference number is : AIM1QZ4C . Sentence15: I am looking for a train from Stevenage to Cambridge. Can you help me? Sentence16: I have found you a train that leaves at 15:54 and arrives by 16:43. Would you like this one? Sentence17: I would like it to be in the West of town. Sentence18: Yes, I recommend Tandoori Palace. It meets your specifications. Would you like to book a table? Sentence19: Thank you! I also am looking for a place to eat at in the west area. I would prefer a nice expensive one. Sentence20: Of course! What day would you like to leave and what time would you like to arrive? Question: Who has spoken the sentence 17? (A) User (B) System

Answer: Answer: (B) System


Question: Sentence1: Great. I was finally able to get you into the Autumn House staring Friday for 3 nights and 3 people. your booking reference is C5ARPTZ2 . Sentence2: Sorry about the confusion earlier. I was able to book your room at Leverton House for Friday, 3 nights for 3 people. The reference number is U5B3PHWC . Sentence3: It was my pleasure. Goodbye! Sentence4: Can you try 3 nights instead? Sentence5: Perfect. I would like to book it for 3 people for 4 nights starting on Friday. Sentence6: Awesome. Thank you for everything! Sentence7: I can help you with a taxi. Please tell me your departure and destination sites along with your time frame. Sentence8: Yes let's try a different hotel. Sentence9: How about Cambridge Contemporary Art, on 6 Trinity St? Entrance is free. Sentence10: The Leverton House is a guesthouse located on the east side of Cambridge. What information are looking for? Sentence11: Both of them are booked solid for the days you requested. Would you like a hotel in a moderate price? Sentence12: I'd like to visit a museum if possible. Sentence13: Can they accommodate 3 people for 4 nights? Also, what are their phone numbers? Sentence14: I'm sorry. I am unable to book your stay. Could you arrive on another day or stay for a shorter amount of time? Sentence15: I'm sorry, it doesn't look like the Leverton House will be able to accommodate you. How about Allenbell or Autumn House? They are in the same area and also inexpensive. Sentence16: Can you please check for 3 nights at the same hotel for 3 people and can I have the reference number? Sentence17: I'm sorry both of those hotels are booked solid. Would you consider slightly more expensive accommodations? Sentence18: Okay. I'll need a taxi too. Sentence19: I want to leave the hotel by 22:00 to go to the Museum you mentioned. Sentence20: I'm looking for places to go in the centre of town. Sentence21: I'm also going to need a taxi, please. Sentence22: Sure. But I still need to book a hotel. Is there anything else available? Sentence23: Do you have the phone number for Autumn House's front desk? Sentence24: There are many attractions in the centre of town. Could you be more specific about what you're looking for? Sentence25: I'm looking for information on the Leverton House hotel. Sentence26: Sure. It's 01223575122. Anything else? Sentence27: They don't have a room available for 3 nights either. Anything else you'd like me to try? Sentence28: A black skoda will pick up up at Leverton House at 22:00 and bring you to Cambridge Contemporary Art Museum. The contact number is 07697068185. Question: Who has spoken the sentence 15? (A) User (B) System

Answer:
Answer: (B) System