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

Q: Sentence1: The address of the Nirala is 7 Milton Road Chesterton at the cb1uy postcode. Their number is 01223360966. Sentence2: Then may I suggest the a and b guest house? Sentence3: I want the cheap one. Sentence4: royal spice it is. Shall book it for you ? Sentence5: I also will need a taxi to pick me up at the hotel and get me to the restaurant by 02:15. Sentence6: Booking was successful your ref number is 1R8GSLHI, anything else today? Sentence7: On second thought, I'd like to go with Nirala? My friends want to try something a little more moderately priced. Can you give me the postcode, address and phone? Sentence8: What area would you like it to be in? Sentence9: Goodbye, enjoy your stay Sentence10: You have two options, The Nirala is moderately priced, royal price is cheap, any preference? Sentence11: I don't have a preference for what area, I do however want free WiFi. I would also like to stay in a guesthouse. Sentence12: The guesthouse is located on the east side at 124 tenison road. I am trying to book it but the system must be busy. I'll try again in a minute. Sentence13: Thanks that will be all for today. Goodbye. Sentence14: Yes, I'd like to find an Indian restaurant in the north please. Sentence15: I have booked grey volkswagen with contact number 07588046247. Anything else I can be of help? Sentence16: yes can you book it for 7 people and 3 nights starting from thursday ? Sentence17: I am looking to stay at a 4 star rated place in the moderate price range. Sentence18: Please try again Question: Who has spoken the sentence 10? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: How about the Hundington Marriott Hotel in the west? It gets 4 stars. Sentence2: Is that a 1 star hotel? Sentence3: I do not have a preference on the area. Sentence4: Can you look for a 4 star hotel in the same price range? Sentence5: No thank you that will be all Sentence6: Okay, in what area? Sentence7: Yes, it is called Nusha. Sentence8: Well, if you are sure, I hope you have a great visit! Thank you. Sentence9: Maybe I could help. Do you know the name of it? Sentence10: I would recommend the university arms hotel, which is centrally-located and offers free wifi and parking. Does that interest you? Sentence11: I've located Nusha and it's in the South. It's located in Cambridge Leisure Park on Clifton Road. Sentence12: Ok, thank you. I also need to find a hotel that is expensive. Sentence13: I have an attraction in mind that I need help finding. Sentence14: No. I'm sorry. It's not a 1 star establishment. Is there anything else I can help you with today? Question: Who has spoken the sentence 9? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: What kind of food do they serve there? Sentence2: It appears they serve Italian food. Would you like me to book you a table? Sentence3: You're more than welcome! Sentence4: No, that is all I need. Thank you. Sentence5: La Margherita is in the west, cheaply priced, located at 15 Magdalene Street City Centre, and can be reached at 01223315232. Sentence6: I'm trying to find information on a particular restaurant, it is called la margherita. Question: Who has spoken the sentence 4? (A) User (B) System

A:
Answer: (A) User
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