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: Thank you for the help, have a nice day. Sentence2: Hi, kohinoor is a cheap Indian restaurant, but doesn't specify that it is South Indian. Would you like the phone number? Sentence3: There are 8 trains that will arrive by 21:45. What time would you like to depart? Sentence4: how about 17:00. Sentence5: Great! I am also looking for a train that leaves on thursday and departs from cambridge. Sentence6: Hi, I'm looking for a place to eat, preferably a cheap South Indian restaurant. Sentence7: How many tickets do you need? Sentence8: Yes, that would be great. Could I get a reference number please? Sentence9: Is it in the centre of the city? Sentence10: Would you like for me to book a table at Kohinoor for you? Sentence11: What's the last train to arrive by 21:45? Sentence12: Yes, it is indeed in the centre. The phone number is 01223323639 Sentence13: Destination is Stevenage. I would like to arrive by 21:45. Can you book the train for me as well? Sentence14: It would be the one leaving at 19:21 and arriving at 20:10. Shall I book it? Sentence15: I need 1 ticket. Sentence16: Booking was successful, the total fee is 12.8 GBP payable at the station . Reference number is : 5TM8STAM . Sentence17: What is your destination? Sentence18: Yes, please. 18:00 on Wednesday for just myself. Sentence19: I'm sorry, they're all booked up at that time. Would you like to try a different time? Sentence20: It was a pleasure to serve you have a great day Sentence21: I was able to book that, your reference number is HEJFVRPP . Sentence22: Ok, thank you. Question: Who has spoken the sentence 9? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: That was a successful booking, your reference number is T6C83P46 . Sentence2: Thank you so much! Sentence3: Not really. Anything would be fine. Sentence4: Yes, please. I'd like to book it for 6 people and 5 nights starting from monday. Sentence5: I'm not too concerned with location, but I would like it to include internet and have a 4 star rating please. Sentence6: Do you have a preferred location or price range? Sentence7: Yes, how about 3 nights? Sentence8: I recommend the Acorn Guest House. Would you like a room there? Sentence9: I'm looking for a guesthouse with free parking. Sentence10: Booking unsuccessful. Want to try for a shorter stay? Sentence11: There are 16 guesthouses that meet those requirements. Any preference on price range? Sentence12: You're so welcome. Thank you. Question: Who has spoken the sentence 1? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: Great I also need a place to stay that is a guesthouse that includes free parking. Sentence2: There are a total of 12 guesthouses that are moderately priced in town. Are you sure there isn't a particular section you would like to stay in? Sentence3: Thank you. That is all I need today. Sentence4: Acorn Guest House is located in the north at 154 Chesterton Road. It is moderately priced and has four stars. The post code is cb41da. Sentence5: Excellent. Do you have an idea on the location? Sentence6: I don't really care what type of food it is. Any of them will do. Sentence7: Of course, their phone number is 01223518111 and the post code is cb11lh. I can make a reservation for you if you'd like, or help with something else. Sentence8: We have 21 restaurants to choose from. Is there a certain food type that interests you? Sentence9: I'm sorry, but we don't have any expensive guesthouses. All the expensive properties are hotels. Sentence10: Okay, I guess it'll save me some dough if I try for a place that's more moderately priced. Sentence11: Hello, I'm planning a trip to Cambridge and I'm looking for a place to dine. It should be moderately priced and located in the centre. Sentence12: Any location is fine, but I would prefer something that is in the expensive price range. Sentence13: Sure, I'll try it. Can I get their phone number and post code? Sentence14: Your very welcome! Enjoy your stay! Sentence15: Any of them will do. Pick your favorite and let me know what area they're in, and their postcode and how many stars they have? Sentence16: We have a wonderful Asian restaurant, called Yippee Noodle Bar, would you like to try there? Question: Who has spoken the sentence 13? (A) User (B) System

Answer:
Answer: (B) System