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

Q: Sentence1: I am sorry, but the Leverton House was not available for your party on Tuesday. Would you like me to look for another hotel? Sentence2: In what area would you like? Leverton is in the East, should the hotel be in the same area? Sentence3: Is there another hotel available in the same price range? Sentence4: Hi, I'm looking for a hotel called Leverton House. Sentence5: No, you said Leverton wasn't available. Please just book a different hotel in the same price range as Leverton. Thanks. Sentence6: I have booked you a room at the Alexander Bed and Breakfast at 56 Saint Barnabas Road. Your reference number is JGTE0KGB . Is there anything else today? Sentence7: No, I don't care about the area, just the price. Recommend me one? Sentence8: You're welcome. Good-bye. Sentence9: The Leverton House is a guesthouse in the east of the city. Their phone number is 01223292094. Sentence10: Yes Leverton is in the cheap price range. Would you like me to book it for you? Sentence11: Thank you. Please book a reservation for 6 people for 2 nights starting tuesday. Sentence12: That will be all, thank you. Question: Who has spoken the sentence 1? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Could you check the spelling(city centre north b and b) and try to search again? Sentence2: The TR2512 takes 51 minutes. Anything else you need? Sentence3: I will be traveling on Thursday. Sentence4: It is a cheap, 0 star guesthouse located at 328a histon road on the north side. It has free internet and parking. Phone number and postcode are 01223312843 and cb43ht. Sentence5: Yes I am looking for information on a hotel called City Center North B and B. Sentence6: Sure! give me the following information: Day of visit, number of people and number of days that you will be staying. Sentence7: I cannot find that hotel. Any other hotels you would like to find? Sentence8: You're all set. Your reference number is HOSVDEGA . Can I help you with anything else today? Sentence9: Do you have a time preference? Sentence10: Well that will not work. Sentence11: I need to arrive by 14:15. Sentence12: there are many trains but you need to tell us which day you want to travel Sentence13: I am also looking for a train into Cambridge from London Kings Cross. Sentence14: Please book for 2 people starting on thursday for 4 nights. Sentence15: enjoy your stay in Cambridge! Sentence16: The TR2512 will fit your needs. Would you like to book this train? Sentence17: The first train leaves at 5:17. Sentence18: Thank you. Are you able to book that for me? Sentence19: Not at this time. What is the travel time for that train, please? Sentence20: no that will be all thanks Question: Who has spoken the sentence 19? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: The acorn guest house will do nicely. I would like to book 4 nights starting Monday accommodating 4 guests. I will need the reference number. Sentence2: I have 38 trains that meet your criteria. Did you have a preferred departure time? Sentence3: TR9063 leaves at 13:48. Would you like to book it? The next departure is at 14:19. Sentence4: I need to book a train for Monday. Sentence5: Ok, thanks for that information. I would also need assistance finding a hotel in the north part of town. Sentence6: Glad I could help you today. Enjoy your stay in Cambridge! Sentence7: I would like to depart from Peterborough going to Cambridge. Sentence8: There are 13 hotels in the north of town. Do you have a price range or star preference? Sentence9: Possibly, what is the price, arrival time, and travel time for TR9063? Sentence10: Ideally it should leave after 13:45. Sentence11: Is it expensive, though? Sentence12: Where are you departing from? Sentence13: TR9063 arrives in Cambridge at 14:38. Total travel time is 50 minutes, and the fee is 16.50 GBP per ticket. Sentence14: The acorn guest house is a four star hotel. Would you like to try that one? Sentence15: The booking is successful, reference number is Y2ATA7D2 . Sentence16: Thank you very much. I think that is everything I need then. Sentence17: The acorn guest house is moderately priced, but there are two more inexpensive guesthouses available if you would prefer. Sentence18: I would like to stay in an expensive hotel, I know that for sure. I am not too concerned about missing out on amenities such as free parking and WiFi. Question: Who has spoken the sentence 14? (A) User (B) System

A:
Answer: (A) User
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