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

Q: Sentence1: I see there is a train on Friday that leaves leicester at 14:09 to Cambridge, could you book me a ticket for this train? Sentence2: I have 9 restaurants in that area. May I ask what your budget for lunch is? Sentence3: I have a 12:09 that arrives at 13:54. Would that do for you? Sentence4: The duration of the trip is 105 minutes. Have a great day! Sentence5: Yes, the gandhi is in the cheap price range. Their address is 72 Regent Street City Centre. Would you like me to book a table for you? Sentence6: Hi there, I'm trying to find a train that leaves from Leicester but it must be after 11:15. Can you help me book a ticket? Sentence7: I just need the train ID please. Sentence8: There are three cheap resturants int hat area, kohinoor, the gandhi, and mahal of cambridge. Sentence9: I think that is all for now. Sentence10: Did you only need one ticket? Sentence11: The train ID is TR6247, would you like to book a seat? Sentence12: The train ID is TR8882. Can I help you with anything else? Sentence13: No thank you, their information is enough at this time. Do they have a phone number? Sentence14: The Ghandi sounds nice. Can I get their address? And they are a cheap restaurant, right? Sentence15: Please book me a ticket for that train. Sentence16: Yes, their phone number is 01223353942. Is there anything else I can help you with today? Sentence17: Yes, that would be fine. Could I get the train ID? Sentence18: I need a train from leicester on thursday and should leave after 11:15. Sentence19: No thank you. That's not necessary. Can you help me find an indian restaurant in the centre of town? Sentence20: Nothing expensive please. Question: Who has spoken the sentence 2? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: Thanks for handling the restaurant. I will have time to check out the town. Do you have multiple sports in the same area as the restaurant? Sentence2: I need a place to dine that is expensive in the centre. Sentence3: No, that's all I needed. Thanks for your help! Sentence4: Okay, I recommend midsummer house restaurant in Midsummer Common. Would you like a reservation? Sentence5: 01223334860 is the phone number, and entrance is free. Anything else today? Sentence6: Okay, that sounds nice. Can you give me their phone number and tell me their entrance fee? Sentence7: I can help with that. Did you have a price range in mind? Sentence8: Ok, you're all set, the table will be reserved for 15 minutes and your reference number is : 48QP48K1 . Can I help you with anything else? Sentence9: Yes I would love that. I need to make the reservation for 8 people for 16:15 on Thursday. Sentence10: Why don't you try looking for a college in that area instead please Sentence11: No, there aren't any multiple sports places in the centre. Would you like me to check a different part of town? Sentence12: There are 13 colleges in the centre. I recommend downing college. Sentence13: You have a wonderful day and a great trip. Sentence14: Expensive, please. British food. Question: Who has spoken the sentence 10? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: Have a nice day. Sentence2: Are there any boat attractions? Sentence3: And what time would you like to leave? Sentence4: Where are you departing from and what day are you travelling on? Sentence5: I have the cmbridge punter boat located in the centre. Sentence6: How about the Funky Fun House or Cherry Hinton Hall and Grounds in the east? Sentence7: The TR4651 train leaves Bishops Stortford at 15:29. Would you like me to book you a seat on it? Sentence8: Can you make a suggestion? Sentence9: Yes, it does. Sentence10: Thank you. I also need to find a place to go in the centre of town. The type of attraction should be entertainment. Sentence11: There are no entertainment areas in the centre, any other preferences? Sentence12: What is the price for the train ticket? Sentence13: I need a train going into Cambridge, arriving by 17:45. Sentence14: Thank you for using the Cambridge TownInfo centre. Cheers! Sentence15: That sounds great. Can I get the phone number, address, and entrance fee? Sentence16: Is there anything else I can assist you with today? Sentence17: Does it arrive in Cambridge by 17:45. That is the most important thing. Sentence18: The price is 8.08 pounds. Sentence19: Unfortunately, I don't have information on the entrance fee, but you can call them at 07807718591 to find out. The post code is cb41as Sentence20: I am leaving from Bishops Stortford on Sunday. Sentence21: Okay thank you for your help. Sentence22: I would prefer to leave at 15:00. Question: Who has spoken the sentence 21? (A) User (B) System

A:
Answer: (B) System
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