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

[Q]: Sentence1: Sure! The phone number is 01223452587, the postcode is cb58bs, and that is in the centre area. Sentence2: That sounds great to me. Can I get the phone number, postcode, and area please? Sentence3: You are booked into Prezzo which is moderately priced on the west side. Your reference number is G2FIPHUL . Is there anything else? Sentence4: Great! I think you've covered it all. I don't need anything else. Thank you! Sentence5: Is there one that serves Italian food? Sentence6: You're quite welcome. Just let us know if you need any further assistance. Have a great day! Sentence7: There are none in the area that serves Welsh food, would you like to look for another type of cuisine? Sentence8: I'd like a moderate price range, please. Sentence9: I have found 5 attractions. They are all in the centre. Would you like to visit all saints church? Sentence10: There are 15 italian restaurants. Do you have preference in food price or area? Sentence11: I'm looking for a place to dine that serves welsh food. Sentence12: I am also looking for a place to go, anything with architecture. Sentence13: I don't have an area preference, but I would like to book a table for 6 people at 16:45 on wednesday. Sentence14: I have 5 moderately priced Italian restaurants. Do you have a preference on area, they are spread around the east, west, south, and centre. Question: Who has spoken the sentence 3? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: It does not matter, I just need one available for 7 people at 18:15 on thursday Sentence2: I'm sorry, nothing is coming up for that particular type of restaurant. Is there any other specifics you may like? Sentence3: The reference number is DVDLH9NK . Is there anything else I can help you with? Sentence4: Unfortunately I could not find any guesthouses meeting those requirements. Sentence5: How many stars is Cityroomz? Sentence6: Before I can book your taxi, what time are you wanting to leave or arrive by? Sentence7: Fantastic. Enjoy your trip! Sentence8: Not yet. I would like you to book a taxi for me between my hotel and restaurant. I will need the car type and contact number. Sentence9: It has a zero star rating, is this ok? Sentence10: I also need the reference number please. Sentence11: I just want to be sure it arrives by the booked time at the restaurant. Sentence12: Cityroomz is the only place that matches your criteria. Sentence13: That is fine. Do they have internet? Sentence14: I have made a reservation at restaurant alimentum for you. Your table will be reserved for 15 minutes. The address is 152 - 154 Hills Road. Sentence15: How about one that serves modern european food? Sentence16: Thank you very much for your help! That was everything I needed. Sentence17: How about a hotel type? Sentence18: There are 3 restaurants serving modern european food, would you prefer one on the south side or town centre? Sentence19: Yes, Cityroomz has internet. Would you like to book it? Sentence20: Booked. Your car type is white skoda and contact number is 07075801794 Sentence21: Can you find me restaurant with moderate prices that serves north indian cuisine? Sentence22: Yes, I also need a guesthouse hotel with moderate prices in the centre. I don't need free parking. Question: Who has spoken the sentence 15? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Cambridge has several centrally located Indian restaurants, what price range are you looking for? Sentence2: Fantastic. That is all I need. Sentence3: There are 3 restaurants in this range. Kohinoor on Mill Road, the gandhi on Regent Street, and mahal of cambridge on Millers Yard Mill Lane. Do any of these sound good? Sentence4: Thank you for using our service, contact us anytime you need assistance in the future! Sentence5: In the cheap price range. Sentence6: I just need it to leave after 13:30. Can you tell me the train ID, price, and travel time for the first train after 13:30? Sentence7: I would like the reservation at 14:00 on Wednesday. Sentence8: Sure - TR9360 departs cambridge at 14:01, arriving birmingham new street at 16:44. The total travel time is 163 minutes, and the price is 75.10 GBP per ticket. Sentence9: OK, you have a table for 2 at The Gandhi on Wednesday at 14:00. Reference number is : C64LQ6ZX . Can I be of further assistance today? Sentence10: The Gandhi sounds good. Can you book that for 2 people please? Sentence11: There are 19 trains that day. Do you have a preferred arrival or departure time? Sentence12: What day and time would you like your reservation? Sentence13: Can you tell me the location of an Indian restaurant in the centre? Sentence14: Yes. I need to find a train from cambridge to birmingham new street on thursday. Question: Who has spoken the sentence 9? (A) User (B) System
[A]:
Answer: (B) System