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: Sure, that post code is cb39al. Can I further assist you? Sentence2: I'm interested in visiting colleges while in town, can you please recommend some? Sentence3: I can recommend clare hall and christ's college. You need phone numbers for either one? Sentence4: Okay the TR5009 leaves at 18:40. Sentence5: Yes I also need a train to stansted airport on sunday Sentence6: That sounds great, do I call to book a seat or can you help me? Sentence7: No, thanks. That's all I needed. Sentence8: I'm glad I was able to help you. Thanks for using our service have a nice day. Sentence9: Sure. Where will you be departing from, and what time? Sentence10: Please book for 6 people. Sentence11: I am leaving from Cambridge. I would like to leave sometime after 18:00. Sentence12: I would like the post code for clare hall please. Sentence13: I would be more than happy to help you book! Tickets are 8.08 pounds. How many tickets would you like me to book for your trip? Sentence14: Booking was successful, the fee is 48.48 GBP payable at the station . Reference number is 4ESBHTB0 . Is there anything else I can help you with? Question: Who has spoken the sentence 7? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: Pick any of them, please. Book it for 6 people and 3 nights, starting thursday. Sentence2: I need something with free parking and a 4 star rating. Sentence3: I have 24 guesthouses. Let's narrow it down a bit. Do you have a price range? Sentence4: I am showing 18 colleges. Is there a certain area of town you would like? Sentence5: What is the postcode of Corpus Christi? Sentence6: Booking was successful. Reference number is : 2WPLODLS . is there anything else i can help you with? Sentence7: Not really. Which do you think would be the most interesting to visit? Sentence8: That cuts it down to 16. I can recommend the Acorn guest house, or do you have a pricerange or area of town you want to stay in? Sentence9: I would suggest Christ's college in the city centre or Corpus Christi college in the west. Christ's college is free and Corpus Christi costs 2 pounds? Which do you want? Sentence10: Hello, any interesting colleges in town? Sentence11: Their postcode is cb21rh. Can I assist you with anything else? Sentence12: I am looking for a guesthouse to stay in. Question: Who has spoken the sentence 11? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: I think I would prefer the Hobsons House. Can I get the postcode and phone number? Sentence2: Thank you for contacting Cambridge InfoCentre today! Enjoy your stay. Sentence3: There are 202 trains departing from Cambridge that day. What time would you like to leave? Sentence4: Yes I have a Wednesday train from Leicester to Cambridge that departs at 14:21 and arrives at 16:06. Would you like me to book that for you? Sentence5: Hello, I am looking for a guesthouse that has free parking, can you help me with that? Sentence6: Yes, I'd like to make the booking for 8 people. Sentence7: I just need it to be in the west and it should include free wifi. Sentence8: Is there a specific area you are looking at and what price range would you like? Sentence9: There are 107 trains leaving after 13:45. If you give me your destination I can narrow down the choices. Sentence10: Just to clarify, that train is from Cambridge to Leicester. I've made reservations for 8, reference no. HG6Y42HX . You can pay at the station. Sentence11: I found two locations Finches Bed and Breakfast and Hobsons house, which one would you prefer? Sentence12: I'm heading to leicester. Sentence13: The address for Hobsons House is 96 Barton Road and the postcode is cb39lh, would you like me to book a reservation? Sentence14: Not at this time. I am also looking for a train leaving from cambridge on wednesday. Sentence15: The train should leave after 13:45. Sentence16: thank you for your help Question: Who has spoken the sentence 8? (A) User (B) System

Answer:
Answer: (A) User