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

[EX Q]: Sentence1: There are 44 possible options. What type of attraction are you interested in? Sentence2: No, that's all I need today. Thank you for your help. Sentence3: I can book a 05:54 for you. Sentence4: You're very welcome, is there anything else I can do for you? Sentence5: I need the train to leave after 15:45 please. Also do you have the entrance fee for the Vue Cinema? Sentence6: Sorry, but I do not have the entrance fee for Vue Cinema in my database. I do have a train from stevanage at 15:54 for you, though. Sentence7: Hello, I'm looking for places to go in the city centre. Sentence8: Have a great day then! Sentence9: How about the Vue Cinema located at the grafton centre, east road? Sentence10: Thank you for your help. Sentence11: Great can you make that reservation on the train for 7 people and send me the reference number? Can you also send me the phone number for the Cinema? Sentence12: I don't mind what kind. Sentence13: Sure, what is the entrance fee? Also I need a train that departs from Stevenage on Thursday. Sentence14: The train is booked reference number 3YY4QV9P, and the phone number of the Vue Cinema is 08712240240 Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: How many tickets will you be needing today? Sentence2: That is all, thanks. Sentence3: I booked 4 tickets on train TR4187, your reference number is LXZWA3Q8 . A total of 66.4 GBP is payable at the station, can I help you with anything else? Sentence4: All right, the TR4187 leaves at 13:59 and arrives at 15:27. Would you like me to book that for you? Sentence5: I have some moderate priced hotels in the north and center. Do you have a location preference? Sentence6: Booking was successful. Reference number is : P39PYOK0 . Can I help you with anything else? Sentence7: Where will you be traveling from, and what day would you like to travel? Sentence8: Yes, please book it for me. Sentence9: I would like a moderate price hotel in Cambridge. Sentence10: I also need info on a train. It should arrive in london liverpool street by 16:30. Sentence11: I need 4 tickets, and the price and train ID Sentence12: I will be departing Cambridge on Friday. Sentence13: Either one is fine. I need to book it for 5 nights on Wednesday. There are 4 people. Sentence14: There are two 2 star hotels in the north part of town. Ashley Hotel and Lovell Lodge. Both include free internet and parking. Do you have a preference? Sentence15: I will work on that and be back with you in a moment. Sentence16: Sure. What is your price range and what side of town will you be interested in? Sentence17: Hi, I am planning a trip and could use some advice on a place to stay. Sentence18: I'm not concerned about the area but it doesn't need to include internet. Sentence19: You're welcome, let me know if I can assist with anything else. Sentence20: Let me know when your break is over. I'll need a reference number please. Question: Who has spoken the sentence 9? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Can you first tell me where it is located? It needs to be in the Centre part of Cambridge. Sentence2: I am looking for a moderately priced restaurant in the Cambridge area. I really like European food. Sentence3: How many stars does the hotel have? I am looking for a zero star hotel. Sentence4: The hotel is European, located in the centre, and is moderate in priced. Is there anything else I can do for you? Sentence5: I would recommend Cityroomz as it fits your criteria. It has 0 stars and is in the centre of town. Sentence6: Yes. It is located at 15 - 19 Trumpington Street. Sentence7: You are welcome and have a great day. Bye. Sentence8: Cityroomz is just a hotel and its postcode is cb12tz. Sentence9: Fantastic, that's all I needed, thank you. Sentence10: The hotel du vin and bistro meets your needs. Would you like to book it? Sentence11: The postcode is cb21qa. Anything else I can do for you? Sentence12: I would be happy to get a table reserved for you. What day and time would you like? Also, will there be anyone else joining you? Sentence13: It does not have a star rating. Sentence14: I will be there on Sunday. It's just me. Sentence15: What's the hotel type and postcode? Sentence16: What time on Sunday shall I book a table? Sentence17: What is the type of hotel? Sentence18: What is the postcode? Sentence19: I don't know where my head was, I don't need a reservation. Thanks. I do need a 0 star hotel in the centre though. Sentence20: Can you please book the restaurant? Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]:
Answer: (B) System