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 would actually like to book it for 8 people, not 3. Sentence2: Could you reserve the one in the centre of town for 3 nights starting Monday? There will be 3 of us. Sentence3: You're welcome. Glad to help! bye bye! Sentence4: Sure no problem. So the hotel is huntingdon marriott hotel and your reference number for the booking is 34BAQ2WK . Is there anything else I can help? Sentence5: I am looking for a hotel in the expensive price range. Sentence6: Unfortunately, I wasn't able to book you for the day and time you wanted. Would another day or time be alright? Sentence7: No, it doesn't matter. I would like a 4 star hotel with free parking though. Sentence8: That's great. I'm all set , thank you! Sentence9: There are 5 expensive hotels available. Did you have a preference as to area of the hotel? Sentence10: There are two, one in the west and one the centre of town. Sentence11: I couldn't book that one either. Would you like to change your criteria? Sentence12: Okay, could you try the other one, please? Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: I believe that's all I need. Thanks! Sentence2: It is an expensive restaurant on the west side of town. Would you like me to reserve a table for you? Sentence3: Yes I have many options for you. How about the Tandoori Palace? Sentence4: I'm looking for an Indian restaurant in the west. Sentence5: That might work. What is the price range of Tandoori Palace? Sentence6: Sure, it is located at 68 Histon Road Chesterton in the cb43le post code. Can I help with anything else today? Sentence7: You are welcome. Have a nice day. Bye. Sentence8: No that's OK, but could you give me their address and postcode please. Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: Does not matter but I do need free wifi and and a star of 0. Sentence2: Nope. That's all. Bye, thanks. Sentence3: I'll be arriving on Saturday and staying 3 nights. Sentence4: You're in luck, I have 9 guest houses available in the cheaper price range. What area of town would you like to stay in? Sentence5: The first train after 12:15 is TR5108 which leaves at 13:29, does that work for you? Sentence6: Thanks for calling Cambridge Town Info Centre. Have a great day. Goodbye. Sentence7: Your reference number is IREQ1EKT . Is there anything else I can help you with today? Sentence8: There are two guesthouses that meet your needs: city centre north b and b in the north and el shaddai in the centre. Would you like to book one of these? Sentence9: No problem, the fee is 64.64 and reference number is B5JCS4TL . Sentence10: Sounds perfect. Please book me enough tickets for the same group of people. Thanks Sentence11: There will be four people. Sentence12: I also need a train. It should leave Bishops stortford after 12:15, going to cambridge on saturday. Sentence13: Your train tickets are all booked! Your reference number is KOOYDYFY . Is there anything else I can help you with? Sentence14: I'm looking for a guesthouse to stay in that is cheap. Can you help me with that? Sentence15: Can we increase the amount of people to 8? Sentence16: I think that is it, got bookings for hotel and train. Sentence17: How many people are in your party and when will you be staying? Sentence18: And how many nights will you be staying? And what day are you arriving? Sentence19: North B and B sounds nice. Could you book this for me? Sentence20: Would you like me to look up anything else for you today? Question: Who has spoken the sentence 1? (A) User (B) System
Output: Answer: (B) System