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

Q: Sentence1: Id is TR0625, travel time is 79 minutes and you will arrive by 22:55. Anything else? Sentence2: Actually, could you help find a train as well? To Norwich? Sentence3: I found a train from cambridge to norwich at 05:36 on Friday, will that work? Sentence4: Sunday would be good. Sentence5: No, you've answered all of my questions. Thanks so much for your time. Bye. Sentence6: The Acorn Guesthouse is a 4 star hotel located in the north side of town. It includes free internet and parking. Would you like me to book it for you? Sentence7: I need to leave after 21:30, is there anything closer to that time? Sentence8: Thank you, and thanks again for using our free service. Sentence9: I am trying to find the Acorn Guest House. Sentence10: No, just leave after 21:30. Will you give me the travel time, arrival time and the Train ID? Sentence11: No, thanks. I will go ahead and book it myself. I think I have all the information I need. Thank you. Sentence12: Is there a time you need to arrive by? Sentence13: Yes there are 14 trains. Which day would you like to depart? Sentence14: Thank you for using our service, have a nice day. Question: Who has spoken the sentence 11? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Thank you for using this system Sentence2: There are several cheap restaurants located in the centre part of town. Sentence3: I am looking for a cheap restaurant. Sentence4: Yes, La Raza serves Spanish food. Would you like their phone number? Sentence5: Do any serve spanish food? Sentence6: La Raza is located at 4-6 Rose Crescent, their postcode is C.B 2, 3 L.L Sentence7: Thank you, goodbye. Sentence8: No, I would like the address and the post code please. Question: Who has spoken the sentence 6? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: I'm looking for a Russian restaurant in the centre. Sentence2: No that will be everything I needed for today. Thank You! Sentence3: I would like the one closest to the alexander bed and breakfast please. Sentence4: The alexander bed and breakfast is available and in the cheap price range. Sentence5: You're welcome. Enjoy your stay in Cambridge. Sentence6: I'm sorry, but there are no Russian restaurants in all of Cambridge. Would you like to try a different type of cuisine? Sentence7: Great! I was able to book that for 4 people and your reference number is F6FSFJ75 . Anything else I can help you with? Sentence8: OK, book that for 4 people. We'll arrive monday and stay 4 nights. And can I have the reference number? Sentence9: The Gardenia is priced cheaply and its psot code is cb23ll. Sentence10: How about the gardenia? Sentence11: I am looking for a place to stay. Preferably a guesthouse with free parking included. Sentence12: Can you provide me with the price range for the Gardenia as well as the postcode? Sentence13: I would like the hotel to be expensive. Sentence14: How about a cheap one? Sentence15: We have 21 entries that match your search. Do you have any other preferences? Sentence16: Yes, I have found three restaurants matching your inquest. Sentence17: We don't have any expensive guesthouses. Would you like to try a hotel or a guesthouse in a different price range? Sentence18: Is there a Mediterranean restaurant in the centre? Sentence19: Thank you for the information Sentence20: Is there anything else I could assist you with? Would you like help making a reservation? Question: Who has spoken the sentence 5? (A) User (B) System

A:
Answer: (B) System
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