You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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Question: Sentence1: Thank you. That's all I need. Sentence2: I was able to book it, reference number is T2SNWPJA Sentence3: Okay, the Mahal of Cambridge serves indian food and is located in the centre. Would you like me to make a reservation for you? Sentence4: I am happy to help, what was the name of the place? Sentence5: Its the huntingdon marriot. I'd like to book it for 8 people on 2 nights starting on wednesday, and I'll need a reference number. Sentence6: Can you help me look up a particular hotel that I have in mind? Sentence7: Great, thanks for that. I'm also looking for information about a restaurant called mahal of cambridge. Sentence8: Yes please book a table on Wednesday for 8 people at 17:15, I'll need a reference number. Sentence9: It was my pleasure to help. Have a wonderful night. Take care. Bye. Sentence10: Your booking was successful reference number is 1QVLVD25 Question: Who has spoken the sentence 3? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: Your very welcome! Enjoy your stay! Sentence2: I'm sorry, but they don't have a room for that long. Would you like to shorten your stay? Sentence3: Great! That worked and your confirmation code is 4MI69WKV . Sentence4: Sure and I would like the address also. Thanks Sentence5: I need booking information,how many people,what day,and how many days you would like to stay. Sentence6: The arbury does have 4 stars. It is moderate priced. Would you like that one? Sentence7: You are welcome. If you need anything in the future, please let us know. Sentence8: Excellent! Now, what can you tell me about the Da Vinci Pizzeria? Sentence9: Have a great day! Thank you for your help! Sentence10: Sure, let's try 2 nights instead. Sentence11: No, that's all I need today. Thanks for all your help! Sentence12: Yes please that sounds good. Sentence13: Oh, wait, I don't think I completed the booking at Da Vinci Pizzeria we were talking about. If you'd still like it I'll need a time, day, and number of people. Sentence14: I am looking to stay for 1 person, 4 nights, starting wednesday. Sentence15: No that's ok. I just needed the address, no booking. Thank you! Sentence16: The Arbury lodge guesthouse should work out for you. Sentence17: It is located at 20 Milton Road Chesterton and offers Italian food at low cost. Would you like me to make a booking? Sentence18: Hi, I'm actually looking to stay at a luxury guesthouse. Sentence19: does it have a rating of 4 stars? Sentence20: Absolutely, I have made the booking and the address is 20 Milton Road in Chesterton. Is there anything else I can help you with? Question: Who has spoken the sentence 9? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: The TR0672 from kings lynn to cambridge leaves at 22:11. Would you like to book it? Sentence2: Of course. I'll be more than happy to help you find a hotel. What's the name of the hotel? Sentence3: This one will leave on sunday correct? Sentence4: You're welcome, have a great day. Sentence5: Um, well I should mention that we will be departing Kings Lynn and going to Cambridge. Sentence6: no. that does it for me. thanks. goodbye. Sentence7: The Acorn Guest House is located at 154 Chesterton Road. Would you like any additional information? Sentence8: I've booked your 2 night stay starting SUnday for 3 people at the Acorn guesthouse. Your reference number is JJBWZIGS . Can I help you further? Sentence9: It's the Acorn Guest House. Sentence10: The TR6549 arrives at 06:01. Is that too late? Sentence11: Could you book it for 3 people. It will be for 2 nights starting on the day we get there. Sentence12: I need to take a train to Cambridge, it would have to be late after 21:45 Sentence13: Yes that will work thank you. I also need help finding a certain hotel if you can? Sentence14: Unfortunately, that train does not travel Sunday, but train TR6364 leaves at the same time (22:11) and arrives by 22:58. Will this work for you? Question: Who has spoken the sentence 13? (A) User (B) System

Answer:
Answer: (B) System