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'm looking for an expensive restaurant in the center of town. Sentence2: Certainly. When would you like your taxi to depart? Sentence3: Is there any Turkish cuisine? If so I need the postcode and the address. Sentence4: No, that will be all, thank you! Sentence5: I need to arrive at Cambridge Contemporary Art by 19:15 please. Sentence6: Okay, have a nice day. Sentence7: I don't really care, what do you recommend? I will need the postcode and entrance fee please. Sentence8: I am also looking for museums in the area. Sentence9: How about Cambridge Contemporary Art? The entrance is free and the postcode is cb21su. Enjoy! Sentence10: There are many museums listed in the centre area, what kind of museum are you interested in? Sentence11: No problem. Your taxi has been reserved. Your driver's contact number is 07035811281 and will be driving a grey toyota. Is there anything else you need today? Sentence12: Thank you. I would also like a taxi to commute between the two places. Sentence13: There are many expensive restaurants in the centre of town, is there a specific type of food you would like? Sentence14: The Meze Bar restaurant matches your tastes. It is located at 196 Mill Road City Centre. The postcode is cb13nf. Question: Who has spoken the sentence 10? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Thanks. You too! Goodbye. Sentence2: Get back in touch if you need help in the future. Goodbye. Sentence3: I need information on trinity college Sentence4: You're welcome! Have a great day. Sentence5: Okay, I've pulled up Trinity College. What information do you need? Sentence6: No, that is all I need today. Thank you very much! Sentence7: Ok. Trinity college is a college and the address is trinity street. Anything else? Sentence8: I need to know the attraction type and address. Question: Who has spoken the sentence 3? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: how about italian? Sentence2: I am also looking for a hotel in the same area of the restaurant Sentence3: Are there any restaurants that serve bistro food? Sentence4: Yea! Please book a table for 2 people at 15:00 on Thursday. Sentence5: Does it have free parking? Sentence6: Sure, there are two such restaurants. How about Pizza Express, at Regent Street City Centre? Would you like to book a table? Sentence7: The Gonville Hotel is in the expensive range but is located in the Centre. Sentence8: Hello, I am traveling to Cambridge and I'm looking for some local restaurants. I would like to find some located in the Centre and of moderate price. Sentence9: That sounds great. Can you provide the contact number for the taxi? Sentence10: That's all. Thanks. Sentence11: Can you try 14:00? Sentence12: Yes it does! Shall I book that hotel for you? Sentence13: I don't really care about price range, but I'd like to have free parking. Sentence14: I have you booked leaving at 13:45 and arriving at 14:00. Your car is a black audi. Sentence15: That time is not available, would you like to book another day or time slot? Sentence16: Thank you as well and have a wonderful day! Sentence17: Your Booking was successful.Your Reference number is : K9JGOOGY . Sentence18: There are no bistro style places that meet your criteria, would you like another style of food perhaps? Sentence19: Can I also book a taxi to get from the restaurant to the hotel? We want to make our dinner reservation. Sentence20: I have several options. Do you prefer a certain price range so that we can narrow down the options? Sentence21: We have a lot of locations to chose from. What type of food would you like? Sentence22: Please. Book it for 2 people on thursday, for 3 days. I'll need the reference number for that as well. Sentence23: Yes I was able to make you a reservation at the pizza express on thursday at 14:00 for 2 people. Your reference number is UN9ONONE . Sentence24: Certainly, the number is 07937202537. Is there anything else I can help you with? Question: Who has spoken the sentence 12? (A) User (B) System


Output: Answer: (A) User