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

Q: Sentence1: You're very welcome. Thank you and goodbye! Sentence2: The earliest train departs Leicester at 05:09 and arrives in Cambridge at 06:54. The cost is 37.80 pounds per ticket. Sentence3: That's all that I need. Sentence4: Any of those will work. Which one is your favorite and where is it located? Sentence5: I'll be departing from Leicester, headed to Cambridge. What do the prices look like? Sentence6: No problem. There are a lot of other options like boating, cinema, colleges, a concerthall, museums, nightclubs, a park, theatres and swimming pools. What are your interests? Sentence7: I also need a train on Wednesday, arriving by 19:00. Sentence8: I'm looking for something to do in the centre of town. Sentence9: Travel time is approximately 105 minutes. Sentence10: Would you like any more information on other attractions? Sentence11: I would really like it to be a attraction type. Sentence12: What is the travel time? Sentence13: Great! I found a lot of things that match what you're looking for. Do you like architecture? Sentence14: I can help you with that. What are the departure and destination cities you were looking for? Sentence15: No, that will be all. Thank You for all your help. Sentence16: I'd try the cambridge contemporary art museum, at 6 trinity street. Question: Who has spoken the sentence 13? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: I have 5 choices for you. If I might suggest the Holy Trinity Church. It has the most unique architecture in our area. They also offer free admission. Sentence2: I will be visiting the centre. Sentence3: Like I mentioned, Holy Trinity Church is totally free. Is there anything else you'll be needing today? Sentence4: Sounds great. Do you happen to know the entrance fee for it? Sentence5: OK I HAVE 1 TRAINS THAT LEAVE AROUND THAT TIMES ONE AT 21:39 WOULD THAT WORK FOR YOU ? Sentence6: I need a train that lease from London Liverpool Street on Tuesday. Sentence7: Yes as long as it leaves AFTER 20:45 that will be fine. How much is it and how long is the travel time? Sentence8: There are 10 days departing London Liverpool Street on Tuesday. Is there a certain time of day you need to travel? Sentence9: No, I don't think so! Thank you for your help! Sentence10: How about architecture type instead? Sentence11: Thank you for using Cambridge TownInfo centre. Please remember us for all of your future travel needs. Sentence12: Which area are you interested in visiting in town? Sentence13: I would like to leave after 20:45. Sentence14: the train ride is 88 minutes and the cost is 16.60 pounds. it leaves at 21:39 and your reference number is Q6UN1GVR . is there anything else i may help you with? Sentence15: There is no entertainment in the centre. Would you be interested in a different type of attraction? Sentence16: I am looking for places to go in town. What type of entertainment is there in the centre? Question: Who has spoken the sentence 4? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: I will be departing from Stevenage and going into Cambridge on Sunday. Sentence2: Great, thanks so much! What is their address and postcode? Sentence3: Okay, their phone number is 01223327978. Sentence4: No, thank you, but could you tell me the arrival time? Sentence5: I want to depart anytime after 15:30, so the soonest available train after that would be nice. Sentence6: Thank you for using the Cambridge TownInfo centre. Goodbye. Sentence7: I have TR1577 leaving at 15:54, would you like me to book a ticket? Sentence8: The address is 41 warkworth street and the postcode is cb11eg. Is there anything else I ca help you with? Sentence9: Thanks! I'm also looking to stay in a 0-star guesthouse in the center of town. Oh, and I need free parking. Sentence10: There are multiple trains on sunday. Do you have a time you want to depart or arrive by? Sentence11: Hi, I'm planning a trip and am finding the trains to be a bit confusing. Can you help me find one? Sentence12: I have the City Centre North B&B in the north and El Shaddai in the centre. Which would you prefer? Sentence13: Yes, the train arrives in Cambridge at 16:43. Sentence14: Yes I would be happy to help you. Where will you be departing from and what is your destination? Sentence15: El Shaddai, please. I need their phone number, address, and postcode. Sentence16: Great. That's all I need. Thank you. Question: Who has spoken the sentence 8? (A) User (B) System

A:
Answer: (A) User
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