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

Q: Sentence1: I sure can. What type of place are you looking for? Sentence2: I'm looking for a place to stay, can you help me out? Sentence3: I'm looking for a guesthouse that's moderately priced. Sentence4: Please provide me with attraction type preference that you may have so that I can narrow down to a few choices. Sentence5: There are 11 options which fit your requirements. What part of town do you prefer? Sentence6: Thank you very much. I think that is all the information I need today! Sentence7: Perfect I have you booked at the Avalon for 5 nights and 5 people, the reference number is I3B3EKYI . Is there anything else I can help you with? Sentence8: Preferably in the centre. Would like a reservation for 5 people, for 5 nights beginning Wednesday. Also looking for places to go in the centre as well. Sentence9: Sure, let us try the North. Sentence10: I need it in the centre and you can make a suggestion. Sentence11: I would either recommend Avalon or Limehouse. Both are great guesthouses. Which of those would you like me to book for you? Sentence12: Please give me their phone number and postcode Sentence13: Do you have a specific area or attraction type in mind? Sentence14: I would like to be in the centre, please provide me with an entrance fee, a phone number and post code. Sentence15: There are no places to stay in Centre matching your request. Would you like to try another part of town? Sentence16: Something moderately priced, but a 4 star accommodation. And I would like free wifi too please. Sentence17: I'm also looking for places to go around town Sentence18: You are welcome. Enjoy your trip. Goodbye Sentence19: Let's go with the Avalon. Could you make it for 5 people for 5 nights? We want to arrive Wednesday. Sentence20: Ruskin gallery is a museum in the centre of town and very popular. The entreance is free. Sentence21: That's great information, but so many options! Is there a part of town that you would like to stay or other amenities you would like to have while in town? Sentence22: The phone number is 01245493131 and post code is cb11pt. Question: Who has spoken the sentence 12? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: Yes, please. For 5 people at 14:00 on monday. Sentence2: The camboats are located in the east, how's that? Sentence3: I do not have information on the fee. Sentence4: Ok, thank you. I'm also looking for a restaurant called don pasquale pizzeria. Sentence5: Your booking was successful with reference number 1RF57JD7 . Oh, by the way, your table will be reserved for 15 minutes. Enjoy! Sentence6: Have a lovely stay in Cambridge! Sentence7: Thank you for the reference number. Goodbye! Sentence8: That might be good. What is the entrance fee? Sentence9: Don Pasquale is in the centre. Would you like me to make a reservation? Sentence10: I'm looking for some boats in the East, actually. Question: Who has spoken the sentence 7? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: I need to narrow this down a bit. Where will you be departing from? Sentence2: I can recommend la mimosa, it is in the expensive range. Sentence3: What's the departure time for that train? Sentence4: 13.28 pounds. Do you need me to book it? Sentence5: I need a train to cambridge that leaves on saturday. Sentence6: 05:39, 07:39, and 23:39 Sentence7: I am also looking for mediterranean food in the centre. Sentence8: What is the price? Sentence9: I will be departing from London Liverpool Street and need to arrive by 10:30. Sentence10: TR2503 can get you there by 09:07, can I help with anything else? Question: Who has spoken the sentence 2? (A) User (B) System

A:
Answer: (A) User
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