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

[EX Q]: Sentence1: I don't care when I arrive, but I need to leave after 10:00. Sentence2: Perfect, thanks so much for your help. Sentence3: Yes. Wednesday please. Sentence4: I have successfully make a booking for 5 on that train. Sentence5: Sounds great. Can I get their postcode please? Sentence6: Is there anything else I can assist you with today? Sentence7: Can you find me a train from Stansted Airport? Sentence8: Alright, thanks for contacting Cambridge TownInfo centre! Have a good day. Sentence9: TR0467 leaves the airport at 10:24. Would you like tickets for that train? Sentence10: No that is everything. Have a good day. Sentence11: Queen's college is an excellent choice. Sentence12: The postcode for Queen's College is cb39et. And the reference number for your train (booked earlier) is WMUC700A . Sentence13: Can I have the reference number please? I'm also looking for some places to go, maybe a college in the west. Sentence14: Not a problem. Any day in particular? Sentence15: There are plenty of options. Where will you be arriving and do you have a time preference? Sentence16: Yes, for five please. Question: Who has spoken the sentence 14? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Hi, I'd like to book a train that leaves after 21:30 on Friday. Sentence2: You're very welcome! Enjoy your trip! Sentence3: There are 4 restaurants that serve gastropub cuisine. Do you have a location and/or price preference? Sentence4: Yes could you provide me with the travel time and arrival time as well please? Sentence5: Moderate price range please. Sentence6: Please, for 7 people at 13:00 on the same day. Sentence7: TR8202 is leaving cambridge at 22:01 would that work for you? Sentence8: I'll be leaving Cambridge and traveling to Birmingham New Street. Sentence9: Yes can we try the south? Sentence10: The travel time for the TR8202 is 163 minutes. The arrival time is 24:44. Is there anything else I can help you with? Sentence11: I'm also looking for a place to dine. The restaurant should serve gastropub food. Sentence12: Perfect, there's a place called The cow pizza kitchen and bar, would you like me to book it? Sentence13: Sure, where are you departing from and going to? Sentence14: How about centre? Sentence15: Booking was successful. The table will be reserved for 15 minutes. Reference number is : BGGCS2UB Sentence16: Thank you so much. That's all I need today. Have a great day! Bye. Sentence17: Yes, there are 3! Price ranges are moderate and expensive. Does one of those suit you? Sentence18: I am sorry there are none in the South. There are 3 in the centre and 1 in the east. Will one of those area work for you? Question: Who has spoken the sentence 8? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: No thank you. Please tell me about the ticket pricing and time of travel Sentence2: What price range and what star rating are you looking for ? Sentence3: Thank you for using the Cambridge TownInfo Centre. Have a great day! Sentence4: TR0254 Leaves at 05:40, would you like me to book that for you? Sentence5: Please book 6 tickets and send me the reference number. Sentence6: Thank you for all your help. Sentence7: I would like to stay in the centre of town please. Sentence8: That is all that I need. Sentence9: I'm looking for a train that goes to Cambridge and arrives by 08:45. Sentence10: Yes please. I need a 3 star hotel that offers free wifi Sentence11: The price is 75.10 pounds and it is a 163 minutes ride. Can I help you with anything else? Sentence12: I found 231 trains that fit your request. Where will you be departing from? Sentence13: I found two expensive hotels, one in the centre and one in the south of town. Do you have a preference? Sentence14: Okay there are two options, the gonville hotel and the lensfield hotel Sentence15: You are quite welcome. Is there anything else I can assist you with? Sentence16: The postcode is cb11ly. Sentence17: I will be departing from Birmingham New Street on Tuesday. Sentence18: please just send me their postcode. thank you Sentence19: I want the hotel located in the centre, as I stated before. Sentence20: I would prefer a 3 star rating, price range isn't important. Sentence21: The Gonville Hotel is in the centre of town. Would you like me to book a room or is there anything i can assist you with? Sentence22: Booking was successful, the total fee is 450.6GBP payable at the station . Reference number is : G368B2VI. Can I help with anything else today? Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]:
Answer: (A) User