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, what will your arrival station be? Sentence2: Thank you! What kinds of restaurants are available? Sentence3: Yes, please. For Friday. 3 people at 16:30. Sentence4: Oh thank you so much. I also need a train from Bishops Stortford, can you help with that? Sentence5: Your welcome, Have a nice day. Sentence6: sure, i have 9 options for you Sentence7: Sure. The Graffiti is a restaurant that serves British food. The phone number is 01223277977. Would you like to make a booking? Sentence8: It is a total time of 38 minutes for the trip. Anything else that I can assist with? Sentence9: The departure time is 09:29. Is there anything else that I can help you with today? Sentence10: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 86G11ZVP . Sentence11: I will be heading into Cambridge. I will need it for Friday arriving by 12:00. Sentence12: Are there any expensive places to dine in the West? Sentence13: No that's ok. I just need the travel time. Sentence14: TR2083 will arrive at 10:07. Want to book? Sentence15: Nothing else today. Thanks so much for your help. Bye. Sentence16: Yeah, can you confirm the time I need to be at the station? Sentence17: I see british, european, and indian available. Sentence18: Can you tell me about one of the restaurants that serves British cuisine? Question: Who has spoken the sentence 8? (A) User (B) System

Answer: Answer: (A) User


Question: Sentence1: No, but I would like to find a cheap priced south african restaurant. Sentence2: I'm sorry, but we don't have and South African restaurants in the area. Is there a different type of food I can help you find? Sentence3: I would say let's look for an attraction first. Can you recommend something to do in the south part of town? Sentence4: I will go with whatever you recommend, I just need the attraction type and postcode. Sentence5: Hi, I am looking forward to trying some of your local restaurants. I do need help with some other places to go in town while I am there though. Sentence6: There are several nice parks in the area as well as theaters and museums. Sentence7: The byard art museum postal code is cb21sj. Can i help you get transportation to and from the museum? Sentence8: Try Portuguese then. Sentence9: Thanks so much for putting up with me! You've been great! Sentence10: 3 people will be dining. Please give me a reference number once you finish the reservation Sentence11: I would rather be in the south area. Sentence12: What is your food type preference? Sentence13: There are two results. Both are cheap. Do you prefer the south or centre? Sentence14: I have finished booking it for Thursday at 12:15 for 3 people at Nando, your reference number is TDQZGM38 . Do you need anything else? Sentence15: Can you book a table for me there on Thursday at 12:15? Sentence16: The only option is nandos. Sentence17: You are welcome enjoy Sentence18: How many people are in your party? Question: Who has spoken the sentence 15? (A) User (B) System

Answer: Answer: (B) System


Question: Sentence1: Hi I am looking for an expensive restaurant in the centre of town. Sentence2: Okay, let's book a table for five on Wednesday at 14:45. Sentence3: So happy to help, and thanks for using Cambridge TownInfo service today! Sentence4: No 14:45 is the only time that works for all of us. Could you look for a different restaurant in the same area and price range for me? Sentence5: Can I recommend clowns cafe located on 54 King Street City Centre? Sentence6: I am looking for Italian food. Sentence7: Can I recommend don pasquale pizzeria located on 12 Market Hill City Centre? Sentence8: I was unable to book at 14:45, can I try another time for you? Sentence9: There are thirty-three results. Would you like a specific type of food? Sentence10: Sure and give me the reference number too please. Sentence11: Thank you so much for your time. That will be all. Sentence12: Okay I have booked you there and your reference number is O7FJ870G . Question: Who has spoken the sentence 11? (A) User (B) System

Answer:
Answer: (B) System