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

Q: Sentence1: Great. I booked six tickets on TR4095 departing at 11:35 and arriving in cambridge at 11:52. Your confirmation number is W6PWPYOP . Sentence2: I need to book a train for Monday from Ely to Cambridge to arrive by 14:00 for 6 people. Sentence3: What time would you like to leave by? Sentence4: That is all I needed, good day to you. Sentence5: Anytime as long as i arrive by 14:00. Can you provide me with a reference number after booking? Sentence6: Have a great day! Question: Who has spoken the sentence 1? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: I'm sorry, but there are no restaurants that meet your criteria. Would you like to broaden your search? Sentence2: There are 5 places that serve European. Did you prefer modern European, or just European food in general? Sentence3: Yes, please. I will need 8 tickets, and please give me the reference number once you book. Sentence4: What about a restaurant that serves european food? I'd like the phone no. and postcode to that, please. Sentence5: Sounds lovely. Thank you so much for all of your help! Sentence6: How about the Galleria? Their phone number is 01223362054 and the address is 33 Bridge Street, the postcode is cb21uw Sentence7: What time do you want to depart? Sentence8: I also need a Thai restaurant in the moderate price range. Sentence9: There is only one train that would meet your criteria closely and it leaves at 11:50 and arrives in Ely at 12:07. may I book that for you? Sentence10: I have successfully booked you 8 tickets. Your reference number is 0YY5WZQ6 . Is there anything else you need? Sentence11: First, may I confirm that your departure site is Cambridge? Sentence12: Just european food in general, please. Sentence13: hi I want a train to Ely arrived by 13:45, can you help me do that? Sentence14: Thank you for using this system. Sentence15: That is correct. Sentence16: Any time is fine as long as it's on Saturday. Question: Who has spoken the sentence 11? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: I need a train from Cambridge going to stansted airport on wednesday. Sentence2: Thank you for using our services. Sentence3: I would like to arrive by 08:00. Sentence4: Sure, the address is 5 greens road and the postcode is cb13ef. Sentence5: Great, thank you. I don't need anything else. Bye! Sentence6: I recommend the Cambridge Artworks. The admission is free. Can I be of further assistance? Sentence7: Train 1610 leaves at 05:40 and arrives at 06:08. Would you like me to book a ticket? Sentence8: Yes please. Can you also please confirm the train ID, price, and departure time for me. Thank you! Sentence9: Can I get the address and and postal code for the Cambridge Artworks please? Sentence10: Those trains leave every hour beginning at 5:40 am. Do you have a particular arrival or departure time? Sentence11: Awesome. Could you also suggest a museum for me to visit? I'm thinking in the east? Sentence12: Train 1610 leaves at 05:40 and arrives at 06:08, price is 10.10 pounds Question: Who has spoken the sentence 9? (A) User (B) System

A:
Answer: (B) System
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