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

Ex Input:
Sentence1: Yes, please provide a suggestion. Sentence2: Can you find me a good restaurant in the city centre? Sentence3: Okay, how about Eraina that's on Free School Lane City? Sentence4: Sounds great. Would you book me a table for 8, for Monday at 19:00? Sentence5: There are 11 museums is that area. The great thing is they are all free. Do you want additional information on any of them? Sentence6: Thank you so much for all your help. Sentence7: They are all located in the centre the same as the restaurant. Would you like me to recommend one? Sentence8: Are there any entertainment venues near the restaurant? Sentence9: Your table is booked! Reference #: GV2YF6H5 . The table will be reserved for 15 minutes. Can I assist you with anything else today? Sentence10: You are welcome. Enjoy your time in Cambridge. Goodbye. Sentence11: What area are they in? Sentence12: The fitzwilliam museum has amazing art and sculpture. The address is trumpington street and the phone number is 01223332900. Do you want more information? Sentence13: Your red toyota has been booked and its contact number is 07932820731. Sentence14: there are quite a number. what is your price range? Sentence15: The attraction should be in the same area as the restaurant and should be in the type of entertainment. A museum Sentence16: I will also need a taxi from the attraction to my dinning. Sentence17: I don't really have one but would like to try a European restaurant. Sentence18: There are 44 options available. Is there anything particular you are interested in ? Question: Who has spoken the sentence 15? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I'd like to find a train going to Cambridge that leaves on Sunday. Sentence2: Okay. It's a 3-star guesthouse in the north area with no internet or parking. Is there more you would like to hear? Sentence3: I would be leaving from Peterborough. I need to arrive in Cambridge by 19:30 though. Sentence4: My departure time is flexible. Sentence5: The earliest train is TR3782 which leaves at 05:19, would you like me to book some tickets for you? Sentence6: That sounds great. Can I just get the postcode please? Sentence7: No, I believe that is everything. Thank you. Sentence8: I am also looking for a hotel called alpha-milton guest house. Sentence9: Ok, and where are you departing from? Sentence10: No, that won't be necessary. I would like to get the price, though. Sentence11: Not a problem, please contact us again if you need any further assistance. Sentence12: Of course. The price for the train running from peterborough to cambridge on Sunday is 13.20 pounds. Is there anything else I can assist you with? Sentence13: The post code of the alpha-milton guest house is cb41xa. Is there anything else I can assist you with today? Sentence14: Okay, there are a few trains available. What time would you like to depart? Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Camboats is located at The Plough, Green End, Fen Ditton and their phone number is 01223 902 112. Can I help you with anything else today? Sentence2: I would like to leave the restaurant by 03:45 please. Sentence3: I have booked you a taxi. The contact number is 07041828683, and it will be a red Toyota. Can I assist you further? Sentence4: I'd like to find an Italian restaurant, on the west side. Sentence5: Can I get info to the one in the east please. thank you, Sentence6: Which one is cheap? Sentence7: The address is 15 Magdalene Street, City Centre. The post code is cb30af. Can I assist you further? Sentence8: I'm happy to book you a taxi I need the following information to do so time of travel, name departure site, and name of arrival site. Sentence9: No thank you. Could I get the address and postcode please? Sentence10: I'm going to need a ride to get to and from both places. Sentence11: i also need a place to go which should be in the type of a boat Sentence12: camboats is located in the east or scudamores punting co is in the centre. Sentence13: That is all thank you. Sentence14: Have a nice day, goodbye. Sentence15: OK, what time do you need a taxi? Sentence16: prezzo and la margherita are both Italian restaurants located on the west side. Sentence17: In summary, I am leaving La Margherita restaurant by 03:45 to go to Camboats. Sentence18: La Margherita is in the cheap price range. Would you like me to book that for you? Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:

Answer: (B) System