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

[Q]: Sentence1: That will work. What is the price and arrival time for that? Sentence2: Where would you like to travel from and to? Sentence3: Sure, I have 7 trains that would work. The closest to your requested time is the TR5110 that leaves at 20:34. Sentence4: That will cost you 16.50 pounds and you will arrive by 21:24. Sentence5: Certainly. Home from Home is a guesthouse on the north end of the city. It offers free internet and parking and is moderately priced. Would you like to book a room? Sentence6: The train should depart from cambridge and travel to peterborough. Sentence7: You too. Goodbye. Sentence8: I would like to book a train that is running on Tuesday and departs anytime after 20:15, can you help me with that? Sentence9: Thank you have a nice day. Sentence10: Your booking was successfull! Reference number is I5VKNKJ3 Sentence11: That is great. I also want to know about a hotel called home from home. Can you find it for me. Sentence12: Yes. I would like to book for 8 people for 3 nights starting from Saturday. Question: Who has spoken the sentence 9? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: I just need to find a train that leaves at 19:30 for 5 people Sentence2: Is there another day you would like me to check? Sentence3: Hi, I'm looking for any information that you have on the Lensfield hotel in Cambridge. Sentence4: Nope that should be it thanks. Sentence5: I only have trains that leave at 20:24 and later on a Friday from Stansted airport. Will this time and day work for you? Sentence6: Alright, I booked 5 tickets for Saturday train your reference number is 1R61PO9r . You can pay for your tickets at the station. Is there anything else? Sentence7: Unfortunately, no trains leave at that time Sentence8: Unfortunately there are no trains that leave at this time. Sentence9: I'm staying for 2 days and it's just myself. What train can I take to depart from the stansted airport that leaves at 19:30? Sentence10: What are the other 4 times of departure for Saturday. I'll need bookings for 5 people and a reference number. Sentence11: Glad to be of service. Have a wonderful day! Sentence12: The Lensfield Hotel is an expensive, 3-star hotel in the south of town, with internet and parking. Would you like me to book it for you? Sentence13: Sure, the phone number is 01223355017. How many days will you be staying, what day do you need to arrive, and how many people will be staying? Sentence14: There are only 4 trains that leave on Saturday Sentence15: I'm actually looking for something on Saturday. Are there any trains on Saturday that leave at 19:30? Sentence16: Yes, please. Can you also give me the phone number? Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: I am also looking for some where to go in the center of town. Sentence2: Did you have something in mind. We have lots of great things to do--colleges, museums, theatres, nightclubs, etc. Sentence3: On Thursday at 19:30 please. Sentence4: Okay great! Your car will be a grey bmw and the contact number is 07720582184. Sentence5: yes we have art galleries and anthropology and archaeology museums. Sentence6: I'm not sure. What types of museums are there? Sentence7: I'd like to get a taxi from the museum to the restaurant, to get there in time for my reservation. Sentence8: Six people will be dining. Sentence9: select one and give me its entrance fee, attraction type and phone number Sentence10: The restaurant is called the Cambridge Chop House. I would really like to make a reservation there. Sentence11: Your reservation has been made. The table will be reserved for 15 minutes. Your reference number is: KOOJ1Y7I . Is there anything else I can help you with? Sentence12: Great, how many people will be dining? Sentence13: the fitzwilliam museum is very popular. There is no entrance fee and their phone number is 01223332900. Is there anything else I can do for you today? Sentence14: Very good, thank you kindly, that will be all. You are dismissed. Sentence15: What day and time would you like to make the reservation? Sentence16: Thank you for contacting the Cambridge TownInfo centre. Goodbye Sentence17: Do you know the name of the location? Sentence18: I have a particular restaurant that I need to find please. Question: Who has spoken the sentence 3? (A) User (B) System
[A]:
Answer: (B) System