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: Okay great, have a good day. Sentence2: Yes, quite a few! There's Broughton House Gallery, the Whipple Museum of the History of Science, and more. Would you like to know more about them, or the others? Sentence3: Yes, can you book it for 3 people and get me the reference number? Sentence4: Primavera is at 10 King s parade CB2 1st, the phone number is 01233357708. What day would you like to board the train? Sentence5: Could I get the address, phone numbers, and postcodes of them please? I'm also looking for a train from cambridge to broxbourne. Sentence6: Can you find me a multiple sports attraction in the centre? Sentence7: No, actually. I am all finished. Thanks for the help. Goodbye. Sentence8: Train TR9580 departs from Cambridge at 10:01 on Sunday and arrives at Broxbourne at 11:01. Would that work for you? Sentence9: Sorry there's no multiple sports in the centre. Would you like to try a different area? Sentence10: There are 11 museums in the area. They are all free. There are several art museums, an archaelogy museum, and a science museum. Sentence11: Yes I would love some information. Sentence12: Are there any museums in the centre? Sentence13: Sunday, and it should arrive by 12:00. Sentence14: Booking was successful, the total fee is 42.96 GBP payable at the station . Reference number is : IRD8RUWO . Do you need help with anything else? Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Thank you, and have a nice day! Sentence2: How about the Alexander bed and breakfast in the town centre? It is cheap and has free parking. Sentence3: I have a Norwich bound train leaving at 18:36, price of 17.60 pounds and traindID of TR7776, would you like me to book it? Sentence4: Yes please, for all seven of us. Sentence5: Is that a 2 star hotel? Sentence6: I'm so sorry, the Lovell doesn't have the availability you're looking for either. Would you like to try to book for a shorter stay? Sentence7: I would like a 2 star hotel. Sentence8: Can you try booking a 1 night stay? I need the reference number if that works. I also need a train leaving Cambridge after 17:45, arriving in Norwich on Wednesday. Sentence9: I have booked your stay at Lovell Lodge. Your reference number is ATYKA57C . Would you like me to buy tickets train tickets also? Sentence10: Yes. Thank you very much. Sentence11: There are 2 moderately priced 2 star hotels on the North side of town: the Ashley Hotel and the Lovell Lodge. Would you like more information on one? Sentence12: Hi I am looking for a place to stay with free parking in the cheap price range. Sentence13: What about moderately priced places with 2 stars? Sentence14: And would that be for the seven people that are staying at the hotel? Sentence15: Not at the moment. Can I have the price and train ID though? Sentence16: Does the Lovell have 3 nights available? Sentence17: Could you book 3 nights at the Ashley for 7 people, please? We'll be arriving on Tuesday. Sentence18: No, I think that's all. Thanks! Sentence19: Is there anything else I can help you with? Sentence20: The Alexander B&B is a 4 star hotel. There are no cheap hotels with 2 stars that offer free parking. Do you want to broaden your search? Sentence21: I'm sorry, it isn't available for 3 nights. Would you like to arrive on a different day or stay for less time? Sentence22: We have several locations that suit your needs, would you like a 4 star hotel? Or is there any other accommodations you'd like to narrow down the list? Question: Who has spoken the sentence 9? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Goodbye. Sentence2: I need the address and phone number, please. Sentence3: No, thanks. I have everything I need. Goodbye. Sentence4: I don't see any Basque restaurants. Is there another type of food you might like? Sentence5: Which part of town it is in ? Sentence6: Hi, I'm looking for a Basque restaurant in the west part of town. Sentence7: Graffiti is a British restaurant located in the west part of town and in the expensive price range. Would you like their address? Sentence8: Graffiti is located at Hotel Felix Whitehouse Lane Huntingdon Road, and you can phone them at 01223 277977. Do you need additional information? Sentence9: How about british? Sentence10: it is located in the west part of town Question: Who has spoken the sentence 1? (A) User (B) System


Output: Answer: (B) System