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

[Q]: Sentence1: Sorry about that, i'm leaving from norwich. Sentence2: Brookshite? Can you please repeat that? Sentence3: You are more than welcome! Sentence4: Ok. I can help you find a train. Where will you be departing from? Sentence5: ive boked that for you trainID departure destination day leaveAt arriveBy price duration book (optional) TR9900 norwich cambridge friday 05:16 06:35 17.60 pounds 79 minutes Sentence6: Thank you for your help Sentence7: I will be leaving from Brookshite. Sentence8: You're all set! The reference number is 44LHUSZT . Sentence9: I'm looking for a train going to cambridge. Sentence10: Yes please book that and I need the reference number. Question: Who has spoken the sentence 3? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Goodbye and have a nice day. Sentence2: Little Seoul's address is 108 Regent Street City Centre. Their phone number is 01223 308681. Sentence3: Thank you, goodbye. Sentence4: There are several restaurants located in the centre, which kind of food do you prefer? Sentence5: is there a restaurant in the Centre? Sentence6: Little Seoul serves Korean food in the city's centre. It is expensive but very classy. Would you like to know more about it? Sentence7: I would like one serving korean food, possible. Sentence8: Can I get the address and phone number? Question: Who has spoken the sentence 3? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: You're quite welcome, have a lovely trip! Sentence2: Can you book it for 4 people at 13:15 on wednesday? Sentence3: I would like you to book me four tickets. Sentence4: Sure. There are many trains that day, do you have a specific destination and departure time in mind? Sentence5: Hello, have you heard of the Royal Spice Restaurant by chance? Sentence6: yes that sounds great. Can I get a reference number for that please Sentence7: The same day as the restaurant booking I am going to cambridge and need to arrive there by 09:30. Sentence8: Okay, where would you like to leave from? Sentence9: I have! It serves indian food in the north part of town. Would you like more information? Sentence10: I was able to book you 4 tickets on that train. Your reference number is Y381CZMK . Is there anything more I can help with? Sentence11: I would like to leave from Stevenage Sentence12: I think you took care of everything. Thanks. Take care now. Bye bye. Sentence13: I've got the TR8723 leaving Stevenage and arriving in Cambridge by 08:43. Would that work? Sentence14: I have successfully booked you a table for 4 at 13:15. The table will be reserved for 15 minutes. The reference number is PRXYMNLC . Sentence15: How many tickets would you like me to book? Sentence16: Thanks so much. Could you also help me find a train, for that same day? Question: Who has spoken the sentence 14? (A) User (B) System
[A]:
Answer: (A) User