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: Is there one close to the area I booked the restaurant reservation? Sentence2: I have found 9 guesthouses that meet that requirement. Is there a certain area you would prefer to stay in? Sentence3: No, I would just like the star rating, postcode, and phone number of the establishment. Sentence4: Can I have the reference number please? Sentence5: How about a cheap one? Sentence6: Unfortunately there are no guesthouses that are in the expensive price range. Sentence7: Sesame Restaurant and bar number 01223358899 and it's address is 17 Hills Road City Centre. Sentence8: I have booked your request for 7 people at the Sesame Restaurant and Bar, located at 17 Hills Road City Centre for 6PM on Monday. Sentence9: That takes care of everything. Thank you for the help. Sentence10: i have found 29 hotels that meet your criteria, what price range are you looking for? Sentence11: Yes certainly. However, there seems to be an error. I was unable to book that time. Is there another time I could book for you? Sentence12: Is 5PM available instead? Sentence13: I would like to make an appointment for 7 people at 6PM on Monday. Sentence14: Great. I'm also looking for a place to stay. I need a hotel that includes free Wi-Fi and free parking Sentence15: Do you have an expensive guesthouse? Sentence16: Alright, have a nice day! Sentence17: Yes I have the Alexander Bed and Breakfast in the city center. Would you like me to book it for you? Sentence18: The Alexander Bed and Breakfast is a 4 star guesthouse. The postcode is cb12de and the phone number is 01223525725. Is there anything else I can help you with? Sentence19: Hello, I would like information on the Sesame Restaurant and Bar. Sentence20: Yes it is. I have booked a table for you at 17:00 on Monday for 7 people. The reference number is CZ3JGGJP . Question: Who has spoken the sentence 5? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: The address for Little Seoul is 108 Regent Street, City Centre. Is there anything else I can help you with? Sentence2: Yes, I would like both the phone number and the postcode please. Sentence3: I'm looking for an expensive restaurant in the centre if you could help me. Sentence4: I got that backwards. Need a train leaving Kings Lynn after 9:15 and arriving in Cambridge sometime on Saturday. Sentence5: There is a Korean restaurant called Little Seoul located at 108 Regent Street City Centre. Would you like their phone number? Sentence6: TR2514 leaves at 10:11 and arrives at 10:58. Will this one work for you? Sentence7: Sure. Could you tell me the exact travel time? Sentence8: Sure. The travel time for TR2514 is 47 minutes. Anything else I can help you with today? Sentence9: I sure can. There are lots of choices. Are you looking for a particular type of food? Sentence10: Have a wonderful day yourself. Goodbye. Sentence11: Can I also have the address please? Sentence12: that is it for today. good day thank you Sentence13: I also want to see the travel times for a train going from Kings Lynn from Cambridge on Saturday. It should leave after 09:15. Sentence14: Is there a time you would like to arrive by? Sentence15: The phone number for little seoul is 01223308681, postcode cb21dp. Can I help you with anything else today? Sentence16: No, not really. I think I'd like to try something different. Could you suggest something? Question: Who has spoken the sentence 3? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: There are 10 locations on the cheap side. Do you have an area of town in mind? Sentence2: How about Alexander Bed and Breakfast? It's in the CB12DE postcode. Sentence3: Okay. Can you also provide me with information on The Cambridge and County Folk Museum? I would like their phone number, venue type and postcode. Sentence4: We have 1 hotel and 9 guesthouses that fit your criteria. Do you have a preference? Sentence5: Can you reserve tickets for me? Sentence6: got it right here. What would you like info on? Sentence7: I have no preference regarding the area. Sentence8: The County Folk Museum. I need the phone number, venue type and postcode. Sentence9: i'm looking for a place to stay that is on the cheap side. Sentence10: What's the postcode for your favorite of those guesthouses? Sentence11: 7 of them are four star guesthouses. would you like me to book you a reservation? Sentence12: I cannot reserve tickets to the museum, if that's what you're asking. Sentence13: Are any of them 4 star guesthouses? Sentence14: Sure thing. Their phone number is 01223355159. Postcode is cb30aq and it is in fact a museum like the name suggests Question: Who has spoken the sentence 6? (A) User (B) System
Output: Answer: (A) User