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

Sentence1: No but I do need a train that will depart from peterborough and should go to cambridge. Sentence2: When would you like to depart or arrive? Sentence3: The ticket price is 16.50 pounds. Would you like me to book that for you? Sentence4: No than kyou. Sentence5: And how much is a ticket? Sentence6: The duration of the train ride is 50 minutes. Sentence7: TR8509 will leave Peterborough at 15:19 and arrive in Cambridge at 16:09. Would you like to book tickets on this train? Sentence8: Ok! Have a great day! Sentence9: Yes, there is. It's located in the centre area and has free admission. Would you like more information about it? Sentence10: Are you sure that there is absolutely nothing else that you need? Sentence11: No, I think I'll hold off on that. That's it for today. Thanks for your help. Have a great day. Sentence12: maybe, what's the duration of the train ride? Sentence13: I need the attraction type and address. Sentence14: I'd like to depart after 15:00 on thursday no preference on arrival. Sentence15: The Scott Polar Museum is a museum located on Lensfield Road. Would you also like their phone number? Sentence16: A friend told me about an attraction called the scott polar museum. Question: Who has spoken the sentence 8? (A) User (B) System
Answer: (A) User

Sentence1: Not really but I would like to make a reservation for 7 people at 16:45 on a Friday. I will need the reference number as well. Sentence2: I also need to get a taxi to go from the hotel to the restaurant. I need it to arrive at 16:45. I'd like the contact number and the car type. Sentence3: The car type is a White Volkswagen and the contact info is 07869317817. They will pick you up in time to have you at the restaurant by 16:45. Sentence4: Hi! I'm planning my trip to Cambridge and I was wondering if you had information on any Mediterranean restaurants located in the centre of Cambridge? Sentence5: I was able to book the table for you the reference number is HH5J45Z5 . There are many guesthouses to chose from, what area do you want to stay in? Sentence6: Thre are 3 such places. Do you have a price range? Sentence7: Thank you so much, thats all I need Sentence8: I would like to recommend the gardenia is that okay to book? Sentence9: I don't seem to have a preference but I wiukd like a moderately priced place with free parking. Sentence10: Could I have the postcode and how many stars of the hotel? Sentence11: You're very welcome! Have a great stay! Bye! Sentence12: Can I reccommend acorn guest house in the north,it has free parking and moderately priced? Sentence13: Yes. That sounds good. Do you have any moderate priced guesthouses available? Sentence14: The postcode of Acorn Guest House is cb41da. Question: Who has spoken the sentence 8? (A) User (B) System
Answer: (A) User

Sentence1: No, just the area and postcode please. Sentence2: Price range is not important, just the four stars. Sentence3: Yes, it has free internet. Would you like me to book it for you? Sentence4: As long as it has free parking, that's all I really need. Can you recommend one and tell me a little about it? Sentence5: Thank for calling today. Goodbye! Sentence6: It does not matter but I would like free parking. Sentence7: Nope. That's all. Goodbye. Sentence8: What price range would you like? Sentence9: I'm leaving Cambridge and headed to Ely. Sentence10: I have several guesthouses with 4 star ratings. Is there a particular area you'd like to be in? Sentence11: Where are you departing from and what is your destination? Sentence12: I am also looking for a guesthouse with a rating of 4 stars. Sentence13: it is in the north area and the post code is cb41da. would you like to make a booking? Sentence14: There is a train to Ely that leaves at 17:50 on Monday. Would you like me to book it? Sentence15: No, thanks. I'm not ready to book at this time. Sentence16: What area of town would you like? Sentence17: No, I just need the train ID and arrival time. Sentence18: I have 5 guesthouses with free parking. I recommend the Acorn Guest House in 154 Chesterton Road, postcode cb41da. Sentence19: Sure the train id is TR4294 and the arrival time is 18:07. Sentence20: Can i help you with anything else today? Sentence21: Does it have free internet? Sentence22: I'm looking for a train that leaves on monday after 16:15. Any suggestions? Question: Who has spoken the sentence 11? (A) User (B) System

Answer: (B) System