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

[EX Q]: 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
[EX A]: Answer: (B) System

[EX Q]: Sentence1: No but I do need a train that will depart from peterborough and should go to cambridge. Sentence2: When would you like to depart or arrive? Sentence3: The ticket price is 16.50 pounds. Would you like me to book that for you? Sentence4: No than kyou. Sentence5: And how much is a ticket? Sentence6: The duration of the train ride is 50 minutes. Sentence7: TR8509 will leave Peterborough at 15:19 and arrive in Cambridge at 16:09. Would you like to book tickets on this train? Sentence8: Ok! Have a great day! Sentence9: Yes, there is. It's located in the centre area and has free admission. Would you like more information about it? Sentence10: Are you sure that there is absolutely nothing else that you need? Sentence11: No, I think I'll hold off on that. That's it for today. Thanks for your help. Have a great day. Sentence12: maybe, what's the duration of the train ride? Sentence13: I need the attraction type and address. Sentence14: I'd like to depart after 15:00 on thursday no preference on arrival. Sentence15: The Scott Polar Museum is a museum located on Lensfield Road. Would you also like their phone number? Sentence16: A friend told me about an attraction called the scott polar museum. Question: Who has spoken the sentence 8? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Feel free to contact us anytime in the future. Sentence2: Where will you be coming from? Sentence3: Hi there. Can you tell me if you have any parks in the east part of town? Sentence4: Thanks you too. Sentence5: I need to leave london liverpool street and get there by 18:30 Sentence6: The TR5863 train will get you to Cambridge by 17:07, would you like to make a booking? Sentence7: Will you be needing one or more seats on that trip? Sentence8: Actually, I don't need it booked. Can you tell me what time it leaves? Sentence9: Yes we have cherry hinton water play park. Sentence10: Yes, that will be fine. Sentence11: Yes, they have free admission. Their phone number is 01223446100. The postcode is cb18dw. Is there anything else I can help with today? Sentence12: You're welcome. Have a nice day. Sentence13: I am looking for a train going to Cambridge on Saturday. Sentence14: Yes, that sounds like someplace for me to visit. Is it free? Also, I'll need the postcode and phone number. Sentence15: Train TR5863 will be departing at 15:39. Is there anything else I can help you with? Sentence16: You would be on the train for 88 minutes and it is 13.28 pounds. May I assist you with anything else today? Sentence17: no, thank you. that is all. Sentence18: What is their price and the travel time? Question: Who has spoken the sentence 8? (A) User (B) System
[EX A]:
Answer: (A) User