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

Q: Sentence1: Yes, please provide a suggestion. Sentence2: Can you find me a good restaurant in the city centre? Sentence3: Okay, how about Eraina that's on Free School Lane City? Sentence4: Sounds great. Would you book me a table for 8, for Monday at 19:00? Sentence5: There are 11 museums is that area. The great thing is they are all free. Do you want additional information on any of them? Sentence6: Thank you so much for all your help. Sentence7: They are all located in the centre the same as the restaurant. Would you like me to recommend one? Sentence8: Are there any entertainment venues near the restaurant? Sentence9: Your table is booked! Reference #: GV2YF6H5 . The table will be reserved for 15 minutes. Can I assist you with anything else today? Sentence10: You are welcome. Enjoy your time in Cambridge. Goodbye. Sentence11: What area are they in? Sentence12: The fitzwilliam museum has amazing art and sculpture. The address is trumpington street and the phone number is 01223332900. Do you want more information? Sentence13: Your red toyota has been booked and its contact number is 07932820731. Sentence14: there are quite a number. what is your price range? Sentence15: The attraction should be in the same area as the restaurant and should be in the type of entertainment. A museum Sentence16: I will also need a taxi from the attraction to my dinning. Sentence17: I don't really have one but would like to try a European restaurant. Sentence18: There are 44 options available. Is there anything particular you are interested in ? Question: Who has spoken the sentence 15? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: It's a hotel. There are 5 guesthouses in the area. Do you prefer cheap or moderate for the price range? Sentence2: I want to go from cambridge to ely, no preference for time but I need to book for 8 people. Sentence3: Great. Can you help me with a train as well? I'm looking to come in from Ely. Sentence4: What is your destination? And do you have any preference for day, departure or arrival time? Sentence5: There are 5 guesthouses that have free parking. Should I book one of them for you? Sentence6: There are trains that run every two hours every day starting at 5:50. Do you know what day you'd like to travel? Sentence7: Okay, none of them DON'T offer free wifi? If not, I'll need the address for one that does have wifi, please. Tell me about your favorite. Sentence8: no, but it should have free parking, please. Sentence9: Thank you and enjoy your visit. Have a great day. Sentence10: The price doesn't really matter. I just need free parking. It doesn't really need to have internet though. Sentence11: The allenbell is a guesthouse on the east. The addres sis 517a coldham lane post code cb13js. Sentence12: There are no hotels that do not have internet, but 7 which do have it. Do you have a specific price range you'd prefer? Sentence13: Is that a guesthouse or a hotel? I'd really prefer a guesthouse. Sentence14: Hi. I'm looking for a hotel in the east. The internet is not needed. Sentence15: The Express by Holiday Inn Cambridge is in the area and has free parking, would you like more information? Sentence16: No, I don't need anything else right now. Thank you for your assistance. Good Bye. Sentence17: I'm looking for Wednesday , arrive by 11:30 for 8 people Please. Sentence18: Booking was successful, the total fee is 35.2 GBP payable at the station. You reference number is 7ZCVR4Q3 . Can I help you with anything else? Question: Who has spoken the sentence 15? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Are there any cheap restaurants in the centre that I can try? Sentence2: No thank you. I need to find a train leaving Cambridge after 16:30. Sentence3: I have 5 different trains leaving Cambridge on Friday evening, which destination do you prefer: kings cross or liverpool street? Sentence4: Sure! The Golden House is a Chinese restaurant that's located at 12 Lensfield Road, City Centre. Would you like a table reserved? Sentence5: You're very welcome. Good-bye. Sentence6: Booking was successful, the total fee is 12.8 GBP payable at the station. Reference number is : L9DAX54Q . Can I help you with anything else today? Sentence7: 17:21 sounds fine. Please make a booking for 1 person and let me know the reference number. Sentence8: I actually need to go to stevenage. Sentence9: There are trains leaving Cambridge every two hours starting at 17:21 and arriving in Stevanage one hour later. Which time do you prefer? Sentence10: I would like to leave on Tuesday, please. Sentence11: Thank you goodbye Sentence12: can you suggest one, I am not picky, just need the type and address Sentence13: What day do you need to leave? Sentence14: Yes, there are many. What type of cuisine are you interested in? Question: Who has spoken the sentence 7? (A) User (B) System

A:
Answer: (B) System
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