You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
--------
Question: Sentence1: Unfortunately, no. La Margherita is an italian place. And, Thanh Binh serves vietnamese. Sentence2: Would you like for me to make you a reservation? Sentence3: Thank you for using the Cambridge Town Info Centre Services! We hope you enjoy your time in Cambridge Sentence4: yes, I want to book a table for 6 people at 12:00 on sunday. Sentence5: Booking was successful. The table will be reserved for 15 minutes. Reference number is : H0BFXWTP . Can I help you with anything else today? Sentence6: Yes, book that for 6 people. I would also like the reference number. Sentence7: Where would you like to go to? Sentence8: Thanh Binh would be perfect. Sentence9: Certainly! There are two great restaurants that meet your criteria. The first in La Margherita and the second is Thanh Binh. Would you like more information on one of them? Sentence10: Your booking was successful. The total fee is 113.28 GBP, which is payable at the station. Your reference number is A5ZWGBQ3 . Sentence11: Yes, could you find me a train from ely that same day? Sentence12: thanks so much you have been very helpful Sentence13: Does it serve creative food? Sentence14: TR3207 will arrive by 07.51. Should I book it? Sentence15: Can you help me find a cheap restaurant in the west side of town? Sentence16: I would like a train to Cambridge, arriving by 09:45. Question: Who has spoken the sentence 10? (A) User (B) System

Answer: Answer: (A) User


Question: 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

Answer: Answer: (B) System


Question: Sentence1: There are 3 results for expensive british food in the centre area. The first is fitzbillies restaurant, would you like more information on it? Sentence2: I am looking for a train departing from Cambridge that would arrive by 19:45. Sentence3: Booking was successful, the total fee is 7.04 GBP payable at the station. Reference number is : 9YZO84HU . Can I help you with anything else? Sentence4: Unfortunately that is booked already. Would you like to book a different time? Sentence5: Certainly! I was able to book you for 2 people at Fitzbillies Restaurant at 13:15 on Sunday. Your Reference number is YHP8JIIA . Sentence6: That one sounds good, could you reserve me a table for 2 at 14:15? Sentence7: I am also looking for a very expensive restaurant located in the Centre. Do you have any suggestions? Sentence8: Thanks so much - that's all I need today. You've been a great help! Sentence9: Just to make sure I have this correct. Which day would you like the reservation booked for? Sentence10: The same day as the train, on sunday. Can I also get the reference number please? Sentence11: There are 33 expensive restaurants in the centre. Is there a particular kind of cuisine you're looking for? Sentence12: Train TR5389 leaves Cambridge at 17:50 and arrives in sly at 18:07. Can I book this for you? Sentence13: Thank you as well. Have a wonderful day. Sentence14: There are 1,029 trains that meet your needs. Would you like to narrow it down by destination, day, and/or the time it leaves? Sentence15: Yes, I'd prefer British food. Sentence16: Yes, I need a train that goes to Ely and leaves on Sunday. Sentence17: Can you try booking for 2 on Sunday at 13:15 instead? Sentence18: That works, can you book 2 seats for me please? Question: Who has spoken the sentence 16? (A) User (B) System

Answer:
Answer: (A) User