You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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Question: Sentence1: yes book for 4 people and 5 nights from sunday Sentence2: I hope you have a great stay. Goodbye. Sentence3: I would prefer a college in town centre. I'll need the phone and address also. Sentence4: I am also looking for a place to stay in the centre. Sentence5: No that will be it thank you for your help. Sentence6: Booking was successful. Reference number is : 7RA903FR . Can I help with anything else today? Sentence7: Ok, there are 13 to choose from. Some have entrance fees. Sentence8: I'm looking for an attraction in the category of college in the center of town Sentence9: I have the cityroomz hotel in the center. Would you like me to make a booking for you? Sentence10: Moderate range please. Sentence11: What price range you would like? Sentence12: Sure thing, Downing college is located at regent street and phone is 01223334860 anything else I can assist with? Question: Who has spoken the sentence 11? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: yes, it is perfect Sentence2: Alright, there about 30 or so hotels that would work. Did you prefer a certain area or price range? Sentence3: It's booked. Reference number is 6JC8SK3S . Your taxi will arrive at 11 it's a red skoda with contact number 07950328037 Sentence4: The guesthouse has 4 stars. The address is 154 chesteron road. The phone number is 01223353888. Would you like for me to book it? Sentence5: I am looking for a place with free parking, Internet is not required. Sentence6: There really isn't any particular star rating I'm interested in. Sentence7: Thank you. Will it take more than 15 minutes to get from the hotel to the restaurant? Sentence8: How does the copper kettle sound? It is moderately priced in town centre and serves british food. Can I reserve a table for you? Sentence9: I'll book the hotel myself, but I would like a restaurant reservation. Someplace moderately priced in the center of town. Sentence10: May I suggest the Acorn Guest House? It's moderately-priced in the north. Sentence11: There are 21 moderately priced restaurants near the centre. Do you have a type of cuisine in mind? Sentence12: There will be 8 of us and I am also looking for a moderate priced restaurant in the center for 11:15 on Saturday. Please send me the reference number. Sentence13: Not really, but a moderate priced restaurant in the centre would be ideal. Sentence14: alright, that narrowed the results down to 21 guesthouses. is there a star rating you are particularly interested in? Sentence15: No. I believe that will be everything. Thank you. Sentence16: Thank you and please contact us again if you have any questions. Sentence17: Please tell me its star rating, phone number and address. Sentence18: What day will you be arriving? I also need to know how many people there will be and how long you will be staying. Sentence19: That's fine. Could you book a table for 8 people at 11:15. I need a reference number. I also need a taxi between both places arriving at the booked time. Sentence20: I don't really have an area or price range in mind at the moment, but I am looking for a place that's a guesthouse. Sentence21: Let's get your hotel booked first. I will need to know how many days you'd like to stay and what day you want to begin your stay please. Sentence22: No, your departure is at 11:00 and you will arive by 11:15. Is there anything else I can assist with you today? Question: Who has spoken the sentence 13? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: Your total fee is 20.2 GDP, payable at the station. The reference number is ALEMIAWN . May I help with anything else? Sentence2: Great I also need to get a train on thursday to go to bishops stortford. Sentence3: Yes I want to leave from Cambridge after 14:30. I also would like the travel time and train ID if possible. Sentence4: I'm not sure. Sentence5: Sure TR7759 would work best with your request. That leaves at 15:29 and arrives 16:07. It does cost 10.10 pounds per ticket though. Sentence6: There are old churches, colleges, and art museums. Sentence7: Just to verify, my boss is a stickler for reimbursement things. It appears the travel time adds up to 38 minutes, is that accurate? Sentence8: That sounds perfect. I would like to book two seats. Sentence9: Is there a phone number that I can use to contact the Holy Trinity Church? Sentence10: There are 10 trains that day. Do you have a desired departure or arrival time? Sentence11: Very good, have a nice day! Sentence12: What type of attraction are you interested in? Sentence13: I really don't have a preference. How about old churches? Sentence14: The phone number is 01223355397. Sentence15: Great thank you that's all the info I need. Sentence16: I am looking for places to go in the centre. Sentence17: Correct, your trip from Cambridge to Bishops Stortford will take 38 minutes in total. Is there anything else I can help with today? Sentence18: How about Holy Trinity Church? It has a free entrance fee as well. Question: Who has spoken the sentence 12? (A) User (B) System

Answer:
Answer: (A) User