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

Ex Input:
Sentence1: We have three places that serve international cuisine that you should like. Do you prefer East or Centre? Sentence2: Yes, that would be great. Can you book a table for 4 people at 11:30 on Sunday? Thanks Sentence3: Can you help me find a corsica restaurant? Sentence4: I also need a train that will arrive by 18:15. Sentence5: TR7786 can have you there by 17:51. It costs 23.60 pounds. Sentence6: Sure, which stations are you traveling between? Sentence7: Then can you find me one that serves international food? Sentence8: The Centre is fine. I need a table for brunch on Sunday. Sentence9: I was able to book your party of 4 into Bloomsbury Restaurant on Sunday at 11:30 , Reference: 4ni28yk5 . Can I assist you further today? Sentence10: There is no restaurant serving corsica food in the town. What is another type of food you would like me to search for? Sentence11: What is the travel time? Sentence12: Goodbye, enjoy the rest of your day! Sentence13: The trip takes 51 minutes. Would you like me to book that train for you? Sentence14: I recommend the Bloomsbury Restaurant. It's located at Crowne Plaza Hotel, 20 Downing Street. It's a moderately priced restaurant. Can I book this for you? Sentence15: not now. that is all i needed. have a good day Sentence16: I'll be leaving Cambridge on Monday and I'd like to arrive to London Kings Cross by 18:15. Is there anything available? What time will it leave? Question: Who has spoken the sentence 7? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: what is your price range for that? Sentence2: you selected attraction can you please correct so I can search. Sentence3: Can you give me the postcode and address please? Sentence4: What is the address for Gonville and Caius College? Sentence5: I'm happy to be of help. Take care. Goodbye. Sentence6: Pizza Express is a moderately priced Italian restaurant in the center of town. Do you need more information? Sentence7: The gonville caius college would be a nice attraction. Could I get the address please? Sentence8: I would recommend gonville and caius college, that is a nice campus in the centre area and best of all, admission is free, would you like more info? Sentence9: I need some information on a place called Pizza express. Sentence10: Thank you. I look forward to the day in town. Goodbye. Sentence11: I don't care about that but I would like the address and area of the college I visit. Sentence12: Yes, I'm looking for colleges to see in town. Can you help me with that? Sentence13: It is located on trinity street. Sentence14: Of course. The postcode is cb21db and it is at Regent Street City Centre. Can I help you with anything else today? Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Yes, please. I'll need their phone number and address please. Sentence2: I am looking for a train leaving from Cambridge. Sentence3: No. Could you just tell me the travel time and ticket price? Sentence4: What is the postcode, please? Sentence5: No, I think that covers it. Thanks so much for your help. Bye! Sentence6: Sure train TR7678 leaves at 12:21 and arrives at 14:06. That is a total time of 105 minutes. The cost is 30.24 pounds. Sentence7: There are 2 parks in the south. Would you like me to recommend one for you? Sentence8: Glad I could be of help. Have a great day! Goodbye. Sentence9: I need to leave for leicester on Sunday after 11:45. Sentence10: The wandlebury county park's phone number is 01223243830 and the address is wandlebury ring, gog magog hills, babraham Sentence11: I can certainly help you with that. Where are you traveling to and do you have a certain departure and arrival time? Sentence12: Train TR7678 would work for you, would you like me to book you passage? Sentence13: Thanks! i'm looking for places in the south that are parks Sentence14: The postcode for Sheep's Green and Lammas Land Park Fen Causeway is cb22ad. Wandlebury Country Park is cb223ae. Is there anything else I can assist you with? Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:

Answer: (B) System