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 for Little Seoul is 108 Regent Street, City Centre. Is there anything else I can help you with? Sentence2: Yes, I would like both the phone number and the postcode please. Sentence3: I'm looking for an expensive restaurant in the centre if you could help me. Sentence4: I got that backwards. Need a train leaving Kings Lynn after 9:15 and arriving in Cambridge sometime on Saturday. Sentence5: There is a Korean restaurant called Little Seoul located at 108 Regent Street City Centre. Would you like their phone number? Sentence6: TR2514 leaves at 10:11 and arrives at 10:58. Will this one work for you? Sentence7: Sure. Could you tell me the exact travel time? Sentence8: Sure. The travel time for TR2514 is 47 minutes. Anything else I can help you with today? Sentence9: I sure can. There are lots of choices. Are you looking for a particular type of food? Sentence10: Have a wonderful day yourself. Goodbye. Sentence11: Can I also have the address please? Sentence12: that is it for today. good day thank you Sentence13: I also want to see the travel times for a train going from Kings Lynn from Cambridge on Saturday. It should leave after 09:15. Sentence14: Is there a time you would like to arrive by? Sentence15: The phone number for little seoul is 01223308681, postcode cb21dp. Can I help you with anything else today? Sentence16: No, not really. I think I'd like to try something different. Could you suggest something? Question: Who has spoken the sentence 3? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Can you check a swimming pool in the west of the city? Sentence2: Yes, there are no swimming pools located to the west of your city. Thank you, if you need help with anything else, contact us again. Sentence3: No thank you, that's all I needed. Sentence4: I have 3 hotels and 2 guesthouses in town centre. Would you like a cheap price range or expensive? Will you also need parking? Sentence5: Okay! Goodbye! Sentence6: I would prefer a guesthouse, and it does not need to include internet. Sentence7: If you change your mind and need a booking, we'll be here. Thanks for using our service! Sentence8: I'd prefer one in the same part of town as my hotel, are you sure there isn't one? Sentence9: We currently do not have any shown attraction in that area you are looking for. Are there any other further things I could assist with? Sentence10: Goodbye. And feel free to contact us if there's any other information you need, as well. Sentence11: The alexander bed and breakfast is a guesthouse in town centre in the cheap price range with a 4 star rating. Would you like to book a room? Sentence12: I am looking for a place to stay in the centre in Cambridge. Sentence13: I'm not showing a swimming pool in the East, but there are 2 in the North, will that work? Sentence14: I am also looking for an attraction, a swimming pool Question: Who has spoken the sentence 13? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Can I have the area and address please not sure if I want to book it yet? Sentence2: Not really. How about a place that has Mexican food? Sentence3: Hi. I'm looking for a fancy restaurant that serves English food. Sentence4: Yes, there is the Wandlebry Country Park in the south. Sentence5: chiquito restaurant bar is available, should I book it? Sentence6: Absolutely. Their postcode is cb223ae. Can I be of any further assistance today? Sentence7: Thanks for using our service, and I hope you enjoy your time in Cambridge! Sentence8: Unfortunately there is no expensive English restaurant. Would you be interested in African, Asian Oriental, or British food? Sentence9: No. That is all. Thank you! Sentence10: Great, can I get the postcode? Sentence11: It is located in the south and the address is 2G Cambridge Leisure Park Cherry Hinton Road Cherry Hinton. Is there anything else I can do for you? Sentence12: Yes, are there any parks nearby that I can visit as well? Question: Who has spoken the sentence 4? (A) User (B) System
[A]:
Answer: (A) User