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: 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

Answer: Answer: (A) User

Question: Sentence1: looking for a train going to Cambridge. Sentence2: How about TR3350 that leaves at 05:17? Sentence3: you can book it. get me the reference number too Sentence4: I am leaving on Sunday and need to arrive by 13:00 Sentence5: Thank you for using our services. Sentence6: Thank you that is all I needed. Sentence7: W8YHJKSV is the reference number Sentence8: What day and time are you wanting to travel? Question: Who has spoken the sentence 2? (A) User (B) System

Answer: Answer: (A) User

Question: Sentence1: Yes, how many stars is is rated? Sentence2: what museum would you recommend in the east part of cambridge? Sentence3: Okay. Thank you for calling. Sentence4: The cambridge punter meets your criteria. Would you like some more information? Sentence5: Yes, what is the entrance fee? Sentence6: I do not know the entrance fee. You can call them directly at 07807718591. Sentence7: Limehouse is a 4 star hotel. Would you like to book it? Sentence8: Okay. That's all I need, I guess. Sentence9: I would recommend cambridge artworks, it is a museum in the east and has free entrance. Would you like any more information? Sentence10: That's ok. I can take care of booking myself. Would you know a place in the centre of town where we could go for boating? Sentence11: I am also looking for the Limehouse hotel. Do you know if they have internet? Sentence12: Yes, the Limehouse hotel has internet. Would you like more information about this hotel? Question: Who has spoken the sentence 7? (A) User (B) System

Answer:
Answer: (B) System