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

[Q]: Sentence1: I can get you a ticket on the tr8495 it will get you there by 10:55, or is that too early? Sentence2: I'm sorry I changed my mind. I just need the price per ticket please. Sentence3: I'll be going from Cambridge to Norwich. Sentence4: Yes. Please reserve for 5 people on Monday at 14:00. Sentence5: Have a great day and enjoy your time in cambridge. Sentence6: No that sounds good,please book it for me Sentence7: I also need a moderate restaurant in the town centre that serves European food. Sentence8: The price is 17.60 pounds sterling. Can I help with anything else? Sentence9: How many tickets will you be needing? Sentence10: Booked. The table will be reserved for 15 minutes. Reference number: XLZVMYRL . Sentence11: I need to take a train to here. I want to arrive by monday at 17:15. Sentence12: Great. I can't wait. Thanks! Goodbye! Sentence13: The riverside brasserie serves modern european food. Would you like to make a reservation today? Sentence14: Okay, there are plenty of options. Where are you headed? Question: Who has spoken the sentence 11? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: Sure, what area of town would you like to stay in? Sentence2: There are entertainment attractions in the east, south, and west areas. Which would work best? Sentence3: Any area is fine Sentence4: cherry hinton hall and grounds located in the east is a very nice place to visit. Sentence5: what is your price range to narrow down on our choices Sentence6: lovell lodge has a moderate price range. is that it? Sentence7: Sounds good, I will give it a try, can I also get a place ot stay with free wifi and parking? Sentence8: I am visiting Cambridge and want to see some entertainment. Sentence9: Preferably in the north. Sentence10: There are 2 hotels with 2 stars. There are also 9 guesthouses with 0-, 3- or 4-stars. Which do you prefer? Sentence11: I think I'd choose one of the hotels. Either is fine, could you recommend one? And give me it's price range? Sentence12: Yes that will be all, thank you. Sentence13: I'm open to any price range as long as it meets everything else I need. Sentence14: you are welcome any time Question: Who has spoken the sentence 11? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: That sounds great. Please book a table for 1 at 19:45 on Monday. Sentence2: I have about 13 different colleges in that area. Might I suggest Saint John's College. It does have a small entrance fee of 2.50 pounds but is one of the nicest. Sentence3: You are very welcome. I hope you enjoy your trip and have a fantastic day! Call anytime for assistance. Sentence4: I am looking for college attractions in the centre. Sentence5: That is a wonderful suggestion. What is the address and may I have their phone number? Sentence6: I don't care about the type of food. Do you have a suggestion? Sentence7: I booked your reservations at Loch Fyne for Monday at 19:45 the reference number is 4A4FODSE . Is there anything else I can do for you? Sentence8: Great! Also I would like to find a place to eat. Somewhere in the same area and expensive. Sentence9: They are located on saint john's street and their number is 01223338600. Sentence10: Nope, that's all I need today. Thank you for your help - goodbye! Sentence11: There are 33 expensive restaurants in the centre. What type of food do you feel like having? Sentence12: There is a great seafood place in the city centre called Loch Fyne. They have some of the best reviews overall. Would you like more info about them or a table? Question: Who has spoken the sentence 7? (A) User (B) System
[A]:
Answer: (B) System