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

[Q]: Sentence1: Okay great, have a good day. Sentence2: Yes, quite a few! There's Broughton House Gallery, the Whipple Museum of the History of Science, and more. Would you like to know more about them, or the others? Sentence3: Yes, can you book it for 3 people and get me the reference number? Sentence4: Primavera is at 10 King s parade CB2 1st, the phone number is 01233357708. What day would you like to board the train? Sentence5: Could I get the address, phone numbers, and postcodes of them please? I'm also looking for a train from cambridge to broxbourne. Sentence6: Can you find me a multiple sports attraction in the centre? Sentence7: No, actually. I am all finished. Thanks for the help. Goodbye. Sentence8: Train TR9580 departs from Cambridge at 10:01 on Sunday and arrives at Broxbourne at 11:01. Would that work for you? Sentence9: Sorry there's no multiple sports in the centre. Would you like to try a different area? Sentence10: There are 11 museums in the area. They are all free. There are several art museums, an archaelogy museum, and a science museum. Sentence11: Yes I would love some information. Sentence12: Are there any museums in the centre? Sentence13: Sunday, and it should arrive by 12:00. Sentence14: Booking was successful, the total fee is 42.96 GBP payable at the station . Reference number is : IRD8RUWO . Do you need help with anything else? Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: It's located in southern Cambridge at cambridge leisure park, clifton way. It's phone number is 00872208000. Do you need anything else? Sentence2: Thank you, that is all I need. Sentence3: thanks alot and is there parking for two cars? Sentence4: What type of food would you like? Sentence5: Actually never mind. I would actually like just find a place to stay in the cheap price range in the west. Sentence6: Yes, can you help me find a place to eat? Sentence7: Sure, I can help you with that. Was there a particular type of cuisine you were interested in? Sentence8: Fantastic, enjoy your trip! Sentence9: I certainly hope so! We have a lot of interesting places to see in Cambridge. Is there something specific you're looking for? Sentence10: There is a place I want to see, can you help me? Sentence11: The hotel I'm looking for should have a star of 4, in the cheap range, somewhere in the West. It'll be for 3 people and 4 nights starting Wednesday. Sentence12: Okay. We have you booked at the Cambridge Belfry. The reference number is Y8Y2HVXE . Sentence13: I am looking for a attraction called cineworld cinema. Sentence14: I'm afraid I can only see that they have parking available. If you need to park two cars, I would phone them on 01954714600. Can I help with anything else? Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: I need to depart from Cambridge and arrive at Stevenage. I need to leave after 12:30 on Saturday. Sentence2: Greetings, I am planning a trip in Cambridge and am looking for entertainment venues in the centre of town. Sentence3: The Museum of Archaelogy and Anthropology is located in the center of town. Sentence4: I have a 13:21 train departing Cambridge and arriving in Stevenage at 14:10 on Saturday. Would that work for you? Sentence5: Okay, sounds good. Will you book that for 4 people and get me a reference number, please? Sentence6: There are 5 different entertainment venues in cambridge, however known are located in the centre. Did you want to visit on in a different part of town? Maybe the east? Sentence7: I also need a train. Sentence8: Thank you can I have the entrance fee, postcode, and phone number? Sentence9: No that was all, I got the reference number. Have a great day. Sentence10: there are several trains, where is your departure and when? Sentence11: We don't have anything listed under entertainment for the centre area, but there are a variety of other things to do. Are you interested in the theater or perhaps the cinema? Sentence12: No I prefer the centre area. Sentence13: Sure, there isn't an entrance fee, that's nice. The phone number is 01223333516 and the postcode is cb23dz. Sentence14: What about a museum in the center of town -- is there anything like that? Sentence15: It has been my pleasure. Feel free to contact us with any questions that may arise. Sentence16: Yes, that's perfect! Sentence17: Alright, your train tickets have been booked and your reference number is ZEWG9O60 . Is there anything else I can help you with? Sentence18: It appears that TR6998 will be your best bet. It leaves at 13:21. Question: Who has spoken the sentence 9? (A) User (B) System
[A]:
Answer: (B) System