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 planning a trip in Cambridge and need a place to stay with free parking. Sentence2: Excellent. Can I book that for 2 people for 2 nights starting on Tuesday Sentence3: I have many different options available. Let me ask, do you have a certain price range or area in mind? Sentence4: Thanks i will find you one.Thanks a lot Sentence5: I have no particular price range, but would like a guesthouse in the north part of town. Sentence6: That narrows it down to about 9 different options. Most offer both free parking wifi. If you would like my personal recommendation, I would say go with the Hamilton Lodge. Sentence7: Booking was successful. Reference number is : 152UJWIK . anything else today? Sentence8: Yes, I need to find a train on Tuesday from Cambridge to London Liverpool Street. Question: Who has spoken the sentence 4? (A) User (B) System
[A]: Answer: (A) User


[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
[A]: Answer: (B) System


[Q]: Sentence1: The Acorn Guest House matches the criteria you are looking for. Would you like to make reservations? Sentence2: I have 9 entries, all of them are guesthouses. Is that acceptable? Sentence3: I'm sorry but there are no hotels available with those specifications. Would you like to look in a different area? Sentence4: No I am sorry all that are available are guesthouses Sentence5: It doesn't matter where the guesthouse is! I'm sorry, a hotel or guesthouse is absolutely fine, the only thing that matters is free parking, 4 stars, and in the moderate price. Sentence6: Several good choices come to mind, what part of town are you looking to stay in? Sentence7: Yes. Monday, two nights three people. Sentence8: any part but should have free parking and moderately priced. should also be a star of 4 Sentence9: No, sorry I don't. Would you like to try a different area? Sentence10: Do you have any thing that is not a guesthouse in other areas? Sentence11: Do you have any of the guesthouses in the centre? Sentence12: Would you like me to book it for you ? Sentence13: Yes please. There's 3 of us and we want to check in on Monday and stay for just 2 nights Sentence14: I'm looking for a place to stay in Cambridge. Where would you recommend? Question: Who has spoken the sentence 5? (A) User (B) System
[A]:
Answer: (B) System