You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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Question: Sentence1: The address is 41 Warkworth Street. Can I help you with anything else today? Sentence2: Yes, I'm looking for a guesthouse with a star rating of 1. It should be in the city centre please. Sentence3: Enjoy your trip. Sentence4: Hi! I'm looking for someplace to go in the centre. Sentence5: No that was all I needed. Thank you, goodbye. Sentence6: I don't have any guesthouses that meet that criteria. Would you like me to try something else? Sentence7: Do you have any guesthouses with a star rating of zero? Sentence8: You are booked for a yellow audi. Your contact number is 07526986404. May I help you with anything else? Sentence9: What is your departure site? Sentence10: No not right now. What is their address? Sentence11: I'm sorry, we need a taxi departing from Saint Mary's Church by 3:15 going to the guesthouse. Sentence12: Yes, I do have one. The El Shaddai is in the centre and is cheap. It is 0 star rated and offers free parking and wifi. Do you need a room? Sentence13: It does not really matter can you suggest one? Sentence14: how about little saint mary's church? Sentence15: Okay, there's plenty to do in the city's centre. What kind of attraction are you interested in? Sentence16: I also need a taxi to get to little saint mary's church by 3:15. Sentence17: It is an architecture attraction it's located on little saint mary's lane postcode cb21qy. Is there anything else I can help you with? Sentence18: Sounds perfect. Is it architectural? Also, can I have the address with postcode? Question: Who has spoken the sentence 16? (A) User (B) System

Answer: Answer: (A) User


Question: Sentence1: Booked! You leave at 13:17, your reference number is 3WICPFQP, you will pay 141.6 at the station. Sentence2: I am looking to book a train. Sentence3: Could you tell me your location, which area of town or what business you are departing from? Sentence4: Certainly. May I ask where you want to depart from? Sentence5: I need to depart from London Kings Cross and go to Cambridge. Sentence6: We are leaving London Kings Cross and need to do so after 12:45 on Friday for 6 people and can I get the reference number for the booking? Sentence7: Okay thank you. That is all I need. Sentence8: Okay thank you for calling. Sentence9: I would like to leave from the closest station to my location. Sentence10: To clarify, are you looking for a train to Cambridge? All Friday trains from London Kings Cross go to Cambridge. Question: Who has spoken the sentence 8? (A) User (B) System

Answer: Answer: (A) User


Question: Sentence1: Yes please. Can you book it for 2 people? We'd like to arrive Thursday and stay for 5 nights please. Sentence2: In the north, please. I'm looking for a guesthouse with free wifi, it can be 0 star. Sentence3: I have confirmed your reservation at city centre north b and b for 4 nights starting Thursday. Your reference number is GKZ1Z5LL . Is there anything else you need? Sentence4: Yes, I need it for two people and I need the reference number. I also need a guesthouse that includes free wifi. Sentence5: Yes 4 nights will work, can you book that and give me the reference number? Sentence6: We are happy to help. Thank you for using our service. Sentence7: I would like to find a taxi to the centre of Cambridge to an American modern restaurant. What would you recommend? Sentence8: I'm not able to secure 5 nights. I can book you for 4 nights 2 people starting on Thursday. Will that work for you? Sentence9: I've booked that for you. The reference number is F5TE3Q1H . As for the hotel, where in the city would you like to stay? Sentence10: I think I asked for that wrong...I'm sorry. I'd like to go to Peterborough from Cambridge on Tuesday after 14:00. Sentence11: How about the 14:19 train? It's a 50 minute trip, so you'll arrive at 15:09. Sentence12: The first available train that leaves after 14:00 from Cambridge to Peterborough on Tuesday is the TR7727. Would you like to go ahead and book a seat? Sentence13: City centre north b and b is a cheap, 0 star guesthouse located in the north with internet access. Would you like me to book this location for you? Sentence14: With so few details, I can't book you a taxi quite yet. Sentence15: I would like to book a train from Peterborough to Cambridge on Tuesday leaving after 14:00. Sentence16: No that is all. Thank you so much! Question: Who has spoken the sentence 10? (A) User (B) System

Answer:
Answer: (A) User