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: 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

Answer: Answer: (B) System

Question: Sentence1: Yes, of course. How many tickets would you like booked? Sentence2: Where are you traveling to and from? Sentence3: I have reserved your table. Your reference number is TRQQXOBM . Sentence4: Thank you. Sentence5: The train departs Cambridge at 13:06. Sentence6: No, I think that's all I need today. Thank you for your help! Sentence7: I am traveling from Cambridge to Peterborough. Sentence8: Thank you for using this system. Sentence9: We have many trains that fit your needs. The latest one you could take would be the TR9792 which would have you arriving at 13:56. Sentence10: I have 2, one in the south and one in the centre of town. Both are cheap and serve portuguese food. Sentence11: Thanks for that, I am also looking for a train that should arrive by 14:15 and should leave on Thursday. Sentence12: Okay great. enjoy your travel and thank you for calling. Sentence13: Could you book a reservation for me? I would like a reservation for 6 people at 14:00 on Wednesday. May I also have the reference number? Sentence14: I'm looking for a cheap restaurant that serves portugese food. Sentence15: Booking was successful for TR9792, the total fee is 99 GBP payable at the station. Your reference number is : BKXNWE2O . Do you need any further assistance? Sentence16: Thank you. Can you please book that train for me? Sentence17: I need 6 tickets. Sentence18: OK, thanks. When does that train depart? Question: Who has spoken the sentence 9? (A) User (B) System

Answer: Answer: (B) System

Question: Sentence1: Are there any colleges I could check out? Sentence2: There are 4 Asian restaurants in the Centre. Do you have a price range in mind? Sentence3: Your are booked, reference number is 2DNBVG3Z, table is held for 15 minutes after booking time. Any further questions? Sentence4: I am interested in something in the centre of town. Are there any entertainment options there? Sentence5: It sounds yummy. Please book a table for Saturday at 19:30 for 7 people. Sentence6: I would prefer a cheap restaurant. Sentence7: I'm sorry, there's no entertainment in the centre. Can I look in a different area for you? Sentence8: Can you help me find some local tourist attractions? Sentence9: Great. Can I have the phone number? Sentence10: dojo noodle bar is a great cheap restaurant in the centre of town serving asian oriental food. Can i provide you more information or book it for you? Sentence11: The phone number is 01223334200. Do you need anything else? Sentence12: You're welcome! Have a great day. Sentence13: Absolutely! Is there a certain type of attraction you're interested in visiting, or are you looking for something in a certain area? Sentence14: I'm also looking for a barbeque restaurant in the same area as the college. Sentence15: What do they have to offer ? Sentence16: That is all I needed. Thank you for your help. Sentence17: how about asian oriental food Sentence18: They have free admission and are located at saint andrew's street Sentence19: I found 13. How about emmanuel college? Sentence20: I'm sorry there aren't any barbecue restaurants in the centre. Would you like to try another type of food or area? Question: Who has spoken the sentence 17? (A) User (B) System

Answer:
Answer: (B) System