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

Input: Consider Input: Sentence1: I am looking for a train that will depart from Norwich on Sunday Sentence2: Sure thing! Your table is reserved. Your reference number is OY2LNXFW . Is there anything else I can assist you with today? Sentence3: I am traveling to Cambridge and would like to find a local restaurant. I want to arrive by train at noon. Sentence4: TR4202 is the one that leaves at 7:16 and it costs 14.08 pounds per ticket. Would you like me to book it for you? Sentence5: No, that will be all. Thanks! Sentence6: Hi there, let's start with the train arrival, where would you be travelling from? Sentence7: How about 7:16? What is the price? Sentence8: The copper kettle will be fine. Yes please book a reservation. Sentence9: Goodbye and have a good day. Sentence10: Yes that would be great. I am also looking for a place to dine for the night. Do you have any suggestions? Sentence11: Is the restaurant moderately priced? If so, please book a table for 5 at 18:00 and send me the reference number. Sentence12: My recommendation would be the Ugly Duckling, a Chinese restaurant in the centre of town. It is located at 12 St. Johns Street City Centre. Sentence13: No, I'm sorry the ugly duckling is in the expensive price range. The copper kettle serves british food and is moderately priced. Would you like a reservation for it? Sentence14: There are trains every hour on the :16 that will get you there by noon, beginning at 5:16. Which would you prefer? Question: Who has spoken the sentence 12? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Great. You should expect a blue volkswagen . You can contact them on 07261965496 Sentence2: Where will you be headed? Sentence3: Thank you! That's all I need for now. Sentence4: Great, I hope you have a great visit! Sentence5: I'll be headed to the Cherry Hinton, of course. Sentence6: THanks so much you have been a huge help. Sentence7: Can you help me find a moderately priced restaurant in the center of town? Sentence8: How about asian oriental that is in the moderate price range located in the centre of town? Sentence9: cool I would need the address, postcode, and phone number. Sentence10: There is no information on the entrance fee since there are a variety of facilities. Anything else I can help with? Sentence11: How about the cherry hinton village centre? Sentence12: Sure, I can help with that. Is there a certain cuisine you are looking for? Sentence13: That sounds perfect! Do you know the entrance fee? Sentence14: Have a nice day. Good bye. Sentence15: Okay, great. I'm also looking for an attraction in the same area. I'd like it to be multiple sports. Sentence16: No preference really. whatever you recommend Sentence17: Okay, the yippee noodle bar is at 40428 King Street City Centre postal code cb11lh and it's number is 01223518111. Is there anything else I can help you with? Sentence18: I need to book a taxi to commute between the 2 places. I want to leave the restaurant by 14:30. Question: Who has spoken the sentence 15? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: What is the train id of the one arriving closest to 13:00? Sentence2: Only me so so just one Sentence3: The address for the midsummer house restaurant is Midsummer Common, the post code is cb41ha and their phone number is 01223369299. Would you like me to book a reservation? Sentence4: I have you booked on TR5170 with reference number KH6HKQ4X . Unfortunately, I have no Vietnamese restaurants in the centre. Would you like to try another type of food or area? Sentence5: Well, that depends on where you're going and the day you're traveling. Do you have that information? Sentence6: TR5170 is arriving by 11:51, that is the closest time to 13:00 that is showing available. Would you like to book a ticket? Sentence7: So happy I could help you today. Thank you for using the Cambridge Towninfo centre. Have a great day! Sentence8: What trains will leave from cambrige and arrive by 13:00? Sentence9: There are four trains that meet those criteria. They leave at 5, 7, 9, and 11 and arrive 51 minutes after departure. Would you like me to book one for you? Sentence10: In British restaurants you have three choices: Fitzbillies, the Midsummer House, and the Cambridge Chop House. Sentence11: Ok, how about an expensive british restaurant? Sentence12: I need to get your London Kings Cross on Saturday. Sentence13: Yes. I am also looking for a Vietnamese restaurant in the centre Sentence14: How many will be traveling? Sentence15: Could you please send me the address, postcode and phone for the Midsummer House? Sentence16: No, thank you. I can book it later. I think thats all I need for today. Thanks. Question: Who has spoken the sentence 6? (A) User (B) System


Output: Answer: (A) User