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

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
Answer: (B) System

Sentence1: Of course, the contact number is 07336173784. Is there anything else you need? Sentence2: Yes, the taxi will pick you up at 9:00. It is a yellow lexus. Sentence3: I'd be happy to help! Where are you coming from? Sentence4: Is 9:00 good? Do you think forty-five minutes is enough time to get to the college? Sentence5: Do you have a time you would like to leave by? Sentence6: The pickup location will be finches bed and breakfast Sentence7: I need a taxi to arrive by 09:45 Sentence8: You're welcome, have a great day. Sentence9: Ok, I will also need your destination for booking purposes. Sentence10: Great. Can I get a contact number? Sentence11: I will be traveling to sidney sussex college today. Sentence12: That's all thanks Question: Who has spoken the sentence 8? (A) User (B) System
Answer: (A) User

Sentence1: No that's it, thank you! Sentence2: How about some chinese food? Sentence3: Can i also book a train to Cambridge? Sentence4: What are you preferred arrival and departure times? Sentence5: There are three restaurants, Charlie Chan, Rice House, and Golden House. Would you like to book a table at one of them? Sentence6: You know, I'd really like to try north african food. Sentence7: You're welcome, I'm glad to help. Goodbye! Sentence8: There are a number of trains that can get you to cambridge. Where are you leaving from? Sentence9: The train should depart on Monday from Kings Lynn for two people. Please give me my reference number too. Thanks! Sentence10: I'll be leaving from kings lynn on Monday. Sentence11: Absolutely! I have about 15 restaurants that are in that area and price range. Can you tell me what type of food you might be trying? Sentence12: Hi there, I'd like to find a good place to eat in the city centre tonight, but I'm looking for somewhere cheap. Have you any good recommendations? Sentence13: Fantastic! Your table is booked for Rice House at 19:00 on Monday, and the reference number is T0NP4V1O . Is there anything else you need help with? Sentence14: Your train has been booked for 2, leaving at 5:11. Reference number VZNMSR6M . Is there anything else I can help you with? Sentence15: I am sorry, but there are no cheap restaurants in the centre serving north african food. Would you like to keep searching for another type? Sentence16: How about Rice House? I'd like to book a table for two at 19:00 on Monday. Question: Who has spoken the sentence 2? (A) User (B) System

Answer: (A) User