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: Yes, see if 15:00 is available. Sentence2: I am sorry, I was unable to reserve a table for that time on Saturday, would you like to try a different time slot? Sentence3: I need a guesthouse in the cheap price range. Sentence4: Yes, I am also looking for a restaurant called The Nirala. Sentence5: Do any of these hotels have 4 stars? Sentence6: Booking was a success! Sentence7: Any area is fine, but I'd like to book rooms for 8 people. We'll be staying 5 nights, beginning on Saturday. Can any of them accommodate that? Sentence8: I have many results for a cheap guesthouse, would you like to narrow it down to stay in a particular area of the town? Sentence9: Glad that I could be of service. Goodbye! Sentence10: I'd like to book a table there for 8 at 16:00 on Saturday, please. Sentence11: I was able to get you rooms at the Alexander Bed & Breakfast. Reference number is : HREOM15W . Can I be of further assistance today? Sentence12: The nirala serves indian food in the north side of town. It is located at 7 Milton Road Chesterton, phone 01223360966. Is there anything else I can help with? Sentence13: Could you please provide the reference number? Sentence14: Great - that's all I need today. Thanks for your help! Sentence15: Sure thing. The reference number is Z1YHIR0Y . Sentence16: Yes, in fact 7 of the 9 hotels in your search criteria have 4 stars. Would you like to narrow your search by area? Question: Who has spoken the sentence 4? (A) User (B) System

Answer: Answer: (A) User


Question: Sentence1: Hello! I'm looking for a restaurant that serves modern global food in the centre. Sentence2: Your taxi is booked. Be expecting a red Skoda. Please call 07595199284 should you need them. Sentence3: How about a 4 star rating. I need it booked for 5 people, 4 nights starting from Tuesday and I will need the reference number. Sentence4: I know this sounds crazy, but I'm looking for an expensive hotel with a 0 star rating. The area doesn't matter so much. Sentence5: No, you were very helpful, thanks for everything. Sentence6: There are about 5 options. All are hotels and expensive. They are located all over. Do you have a certain area in mind? Sentence7: You are very welcome. Enjoy your dinner party! Sentence8: No problem! I booked you the University Arms Hotel located in the Centre, reference number 9DOCJURL . May I help with something else? Sentence9: Thanks so much! Can you please book me a taxi between the two places, arriving at the restaurant by the time of the reservation? Sentence10: We have nine Italian restaurants in the center. Does price range matter? Sentence11: I recommend pizza express. You're booked for 14:15, and the table will be held for 15 minutes. The reference number is MBGJNXHM . Do you need anything else? Sentence12: I'm glad I could assist you today. Good-bye. Sentence13: I actually could use some help finding a place to stay also. Sentence14: OK, do you have any specifics in mind, such as area or price range? Sentence15: Hmm, okay, I guess I could settle for Italian. Are there any of those in the centre of town? Sentence16: that will be it for now. good day Sentence17: I'm sorry, but there are no Modern Global restaurants anywhere in Cambridge. Sentence18: I like nice places, so definitely something expensive. I do want it to have free wifi though. Sentence19: Moderate price range is fine. I will need a reservation for 5 people at 14:15 on Tuesday. Sentence20: Unfortunately, I don't have anything matching your criteria. Can I adjust the star rating or price range? Question: Who has spoken the sentence 3? (A) User (B) System

Answer:
Answer: (B) System