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

Q: Sentence1: Then you are all set? Sentence2: I booked you a black volvo. The driver can be reached at 07410117478. Is there anything else I can help you with today? Sentence3: I'm sorry, I clearly wasn't paying attention. Yes that is all I need. Sentence4: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 0IJIWWQ9 . What else can I help you with? Sentence5: We have five hotels that meet that criteria, are you looking for a specific part of town? Sentence6: Yes. Have a great day. Sentence7: Anything in the centre would be fine, whatever you recommend. Sentence8: Regretfully, I don't have a listing for Venetian cuisine. Do you have a second choice? Sentence9: I'm looking for a place that has 3 stars and free parking. Sentence10: There are over a hundred restaurants to chose from do you have a price range? Sentence11: Does that one have free internet as well? If so it will work great for me. Sentence12: Yes I can. What type of place to stay would you like? What area of town? Sentence13: Yes the hamilton lodge is 3 stars moderately priced and offers free wifi and parking. Sentence14: There are 4 results. restaurant one seven, the oak bistro, the copper kettle, and cotto. Would you like more information on any of those? Sentence15: Sadly, I don't have access to that information. The Oak Bistro might be a good choice. Their phone number is 01223323361 if you'd like to call them Sentence16: Thanks, I need a taxi to commute between the two places. Sentence17: I am not looking for a specific area, but I would like for it to be in the moderate price range, please. Sentence18: Definitely something moderately priced. If you can't find Venetian, how about British? Sentence19: Thank you for calling. Sentence20: I'm looking for a restaurant that serves venetian food. Sentence21: Yes, please. Find out which of the four restaurants have vegan options, please? Sentence22: How about the hamilton lodge it's located in the north. Sentence23: I am traveling between the two places discussed, I need to reach the restaurant by the booked time. Sentence24: I can help you book a taxi but first I need some information - where are you leaving from and what's the destination. Also what time do you want to leave? Sentence25: I also need a place to stay. Can you help with that? Sentence26: Okay, well, let's go ahead and book a table for one at 11:30 on Tuesday. Question: Who has spoken the sentence 18? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: Kymmoy is in the centre of town and the phone number is 01223 311911. May I help you with anything else? Sentence2: Thank you, I have all I need. Goodbye! Sentence3: What is the phone number and area? Sentence4: Is there any expensive restaurants in town serving Australian food? Sentence5: You're welcome. Thanks for your call! Goodbye. Sentence6: Kymmoy is an expensive asian oriental restraunt in town. Sentence7: I'm sorry, there are no Australian restaurants. Would you like another type of food? Sentence8: How about asian oriental food? Question: Who has spoken the sentence 2? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: Their phone number is 01223902168. Their address is 5 Greens Road. Sentence2: You're very welcome. Have a good visit. Sentence3: I have a train that leaves at 16:21. Would you like a booking? Sentence4: That was all I needed today, thanks! Sentence5: Great! There is the TR8080 leaving Cambridge Friday at 11:21 and arriving by 13:06 in Leicester. Is that the one you want booked? Sentence6: OK, you have 1 ticket reserved on TR8080. The total fee is 37.79GBP, and your reference number is C317WKCR . Can I help with anything else today? Sentence7: Can I please book a train for Friday? Sentence8: Yes please and their address. Sentence9: Where will you be leaving from? Sentence10: Thanks. I am also looking for a place to go in town. Can you recommend your favorite museum? Sentence11: Yes please can you book me one seat on that train and let me know the reference number? Sentence12: I will be leaving from Ely no later then 17:00. Sentence13: I'm going to Leicester. Sentence14: Sure, what destination would you like? Sentence15: Sure, I am looking for a train going to Leicester that departs from Cambridge. It should leave after 10:30 on Friday. Sentence16: actually, i believe some incorrect information was entered. i have not trains from ely to leicester on friday after 17:00. let's verify what you're looking for. Sentence17: Yes please make the booking for me for one. Sentence18: Sure! I love the Cambridge Artworks in the east. It's on 5 greens road and is free admission. Would you like their phone number? Question: Who has spoken the sentence 17? (A) User (B) System

A:
Answer: (B) System
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