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

Q: Sentence1: There are more than one hundred entries that match your requirements. What type of food do you prefer? Sentence2: I'm positive. There are however three hotels that have four stars that have free wifi, if you would like to view those options. Sentence3: A 4 star rating is fine, what do you have for that? Sentence4: The only French restaurant that fits your criteria is called Cote. They do not have any availability for Wednesday at 12:30. Sentence5: My pleasure. Have a great day! Sentence6: Wonderful! That's all I need. Thank you very much for your help! Sentence7: I prefer French Cuisine, can you find somewhere that will take reservations for 3 people at 12:30 on wednesday? Sentence8: Are you sure? I would prefer a 5 star hotel with free wifi. Sentence9: I have two in the west area and one in the centre area. Do you have a preference? Sentence10: Thanks I also need to find a hotel with a 5 star rating. Sentence11: Are there any expensive places to eat in the centre? Sentence12: That was a success. Your reference number is 2GY5ULLL . Sentence13: Can you try for 11:30 and give me a reference number please. Sentence14: The booking for the University Arms Hotel was successful, and your reference number is 414HUS87 . Sentence15: Unfortunately, I do not show any 5 star hotels. Would you like to try a different rating? Sentence16: The one in the centre area is fine. Can you please book it for 3 people, starting on Wednesday for 4 nights and can I please have the reference number? Question: Who has spoken the sentence 11? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: There is a restaurant called Thanh Binh. Would you like me to book a table? Sentence2: Yes i would like a table for 7 people on monday at 13:15 Sentence3: We would prefer vietnamese please. In the west area? Sentence4: How many tickets would you like me to book? Sentence5: The travel time is 49 minutes. Would you like to know any more info? Sentence6: Thank you, what is the arrival time? Sentence7: Your reservation has been set for Monday at 12:15 for 7 people. The reference number is 3MTLQCBA . Can I do anything else for you? Sentence8: I am leaving from Cambridge and headed to Stevenage. I would like to leave after 17:30 please. Sentence9: Just one ticket, please. Sentence10: Certainly. The train will arrive at 20:10. Can I help you with anything else? Sentence11: Can you tell me when that train will be arriving in stevenage? Sentence12: Alright, TR6692 looks like your best bet. Would you like me to book you passage? Sentence13: Thank you I also need a train on tuesday leaving after 17:30 Sentence14: I think that about does it. Thanks for the help today. Sentence15: I need to find a cheap place to eat. Sentence16: Booking was unsuccessful do you have any other preference? Sentence17: Can you try 12:15 on Monday? Sentence18: I've booked that ticket for you. The reference number is FTLHURXQ, and the total fee is 12.8 GBP. Sentence19: It was my pleasure to assist you. Thanks for using our service. Have a wonderful day. Goodbye. Sentence20: Yes. Please book that for me. Thanks so much! Sentence21: I can find that for you. What cuisine are you interested in? Sentence22: I would be happy to help with that. Can you tell me the departure city and where you are going? Question: Who has spoken the sentence 11? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Their ID is TR1039. Sentence2: OK, I have you booked at alexander bed and breakfast for 4 nights. The Reference Number is : 741JC8HU . Anything else I can help you with today? Sentence3: Yes please. Could you also give me the train ID? Sentence4: Ok, thank you. I also need some help finding a guesthouse. I also would like free wifi. Sentence5: There is a train at 13:35 that cost 4.40 pounds. Would you like to take it? Sentence6: We've got a lot of options for guesthouses, what area do you want to stay in? Sentence7: That takes care of it. Thank you very much. Sentence8: I'd like to depart from Ely on Wednesday after 12:15. Sentence9: I need a train to cambridge Sentence10: Yes, that sounds good. Sentence11: That's fine, I'd like to book it for 4 nights then. Sentence12: You are welcome. Have a very nice stay. Sentence13: The booking for Alexander Bed and Breakfast was denied for 8 guests staying five days, starting on Wednesday. Would it be possible to plan a shorter or longer stay? Sentence14: Please be specific about when you are leaving and by what time you intend to arrive to help me to narrow down. Sentence15: I'd like a cheap place in the centre for 8 people and 5 nights starting Wednesday. Sentence16: Alexander Bed and Breakfast, 56 Saint Barnabas Road is inexpensive and rated 4 stars. Would you like me to book that? Sentence17: I would like to stay in Cambridge please. Sentence18: Ok, centre, north, east, west, or south side? Question: Who has spoken the sentence 5? (A) User (B) System

A:
Answer: (B) System
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