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

Q: Sentence1: Let's go with the cheap one. I'll need a table for 7 on Sunday at 12:15 please. Sentence2: Can you try on saturday, 7 people, at 12:15 Sentence3: you're in luck I have two options for you. One is in the cheaper price range, the other is listed as moderately priced. Do you have a preference? Sentence4: Unfortunately the booking was not successful. Sentence5: Yes, you're booked for Saturday with reference number V54FG5X2 . The table will be reserved for 15 minutes. May I help with anything else? Sentence6: Thank you, goodbye! Sentence7: No, that's all I need. Thanks for your help! Sentence8: Yes I would like to find Spanish food in the center of town. Question: Who has spoken the sentence 7? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Your very welcome! Enjoy your stay! Sentence2: I'm sorry, but they don't have a room for that long. Would you like to shorten your stay? Sentence3: Great! That worked and your confirmation code is 4MI69WKV . Sentence4: Sure and I would like the address also. Thanks Sentence5: I need booking information,how many people,what day,and how many days you would like to stay. Sentence6: The arbury does have 4 stars. It is moderate priced. Would you like that one? Sentence7: You are welcome. If you need anything in the future, please let us know. Sentence8: Excellent! Now, what can you tell me about the Da Vinci Pizzeria? Sentence9: Have a great day! Thank you for your help! Sentence10: Sure, let's try 2 nights instead. Sentence11: No, that's all I need today. Thanks for all your help! Sentence12: Yes please that sounds good. Sentence13: Oh, wait, I don't think I completed the booking at Da Vinci Pizzeria we were talking about. If you'd still like it I'll need a time, day, and number of people. Sentence14: I am looking to stay for 1 person, 4 nights, starting wednesday. Sentence15: No that's ok. I just needed the address, no booking. Thank you! Sentence16: The Arbury lodge guesthouse should work out for you. Sentence17: It is located at 20 Milton Road Chesterton and offers Italian food at low cost. Would you like me to make a booking? Sentence18: Hi, I'm actually looking to stay at a luxury guesthouse. Sentence19: does it have a rating of 4 stars? Sentence20: Absolutely, I have made the booking and the address is 20 Milton Road in Chesterton. Is there anything else I can help you with? Question: Who has spoken the sentence 9? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: I'll be going from the museum to the hotel. I'll need to leave by 09:30 please. Sentence2: I'm sorry I have no entertainment options in the center of town. Would you be interested in trying another type of attraction or area? Sentence3: Yes can you look for a museum? Sentence4: The highest rated one you have, I need 5 people booked for a 2 night stay starting saturday. Sentence5: Of course! To book a taxi, I'll need to know your travel destination, departure site, and time please. Sentence6: What are you interested in? Sentence7: i also need to use a taxi Sentence8: that is all for today thanks very much Sentence9: There are 5 options available. Do you prefer a specific area or number of stars? Sentence10: there is the museum of archaelogy and anthropology Sentence11: Can you tell me the different museums available? Sentence12: Can I get the postcode for the museum as well? Sentence13: I am looking for a entertainment attraction in the centre of town. Sentence14: I have 2 options available. The Huntingdon Marriott Hotel in the West, and the University Arms Hotel in the Centre. Both are 4 star with internet and parking. Sentence15: Are there any that feature anything archeological items? Sentence16: Yes there are 11 different museums in centre. Are you interested in a particular type? Sentence17: Any time, happy to help! Have a good day! Sentence18: Of course. The postcode is cb23dz. Can I help you with anything else today? Sentence19: Booking was successful. Reference number is : 5K1TGKMU . Sentence20: You are all set. Please look for a blue Toyota, which will arrive by 9:30. The contact number is 07988683424. Do you need anything else today? Sentence21: Yes their telephone number is 01223333516. Sentence22: Can you book the marriott hotel for 5 people and 2 nights on saturday? Sentence23: I need an insanely expensive hotel that has free wifi Sentence24: That sounds great. Can you give me the phone number? Question: Who has spoken the sentence 9? (A) User (B) System

A:
Answer: (B) System
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