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

[Q]: Sentence1: Great. You should expect a blue volkswagen . You can contact them on 07261965496 Sentence2: Where will you be headed? Sentence3: Thank you! That's all I need for now. Sentence4: Great, I hope you have a great visit! Sentence5: I'll be headed to the Cherry Hinton, of course. Sentence6: THanks so much you have been a huge help. Sentence7: Can you help me find a moderately priced restaurant in the center of town? Sentence8: How about asian oriental that is in the moderate price range located in the centre of town? Sentence9: cool I would need the address, postcode, and phone number. Sentence10: There is no information on the entrance fee since there are a variety of facilities. Anything else I can help with? Sentence11: How about the cherry hinton village centre? Sentence12: Sure, I can help with that. Is there a certain cuisine you are looking for? Sentence13: That sounds perfect! Do you know the entrance fee? Sentence14: Have a nice day. Good bye. Sentence15: Okay, great. I'm also looking for an attraction in the same area. I'd like it to be multiple sports. Sentence16: No preference really. whatever you recommend Sentence17: Okay, the yippee noodle bar is at 40428 King Street City Centre postal code cb11lh and it's number is 01223518111. Is there anything else I can help you with? Sentence18: I need to book a taxi to commute between the 2 places. I want to leave the restaurant by 14:30. Question: Who has spoken the sentence 15? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: i am looking for information in Cambridge. Sentence2: I can certainly help you with that! What do you want to know? Sentence3: The hotel should have a star of 4 and should include free parking. Sentence4: I'd like to stay at a guesthouse that offers free wifi. Sentence5: The Alexander bed and breakfast is a great place. Do you need a reservation? Sentence6: Acorn Guest House would be perfect for your needs. Sentence7: yes, please. 6 people for 3 nights starting on thursday. Sentence8: Do you have a price range or area preference? Because if not, how about a and b guest house located in the east and moderately priced. Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: I'm so sorry but we don't have any expensive cantonese. Would you like to try another type of food? Sentence2: All set. Your reservation for one is confirmed for Wednesday at 19:30. Your reference is HB2TWWH0 . Is there anything else I can do for you today? Sentence3: enjoy your stay! Sentence4: I got you booked for the Acorn Guest House for 1 person for 2 nights starting on Wednesday. Your booking number is 2NFSNMZP . Is there anything else I may assist you with? Sentence5: The guesthouse has free wifi and parking Sentence6: I booked the Acorn Guest House in the north, the address: 154 Chesterton road. How many days are you going to stay? Sentence7: I would suggest Fitzbillies Restaurant. Would you like me to book a table now? Sentence8: That would be perfect. Sentence9: Can I just confirm it has free internet as well Sentence10: What does Cambridge offer as far as expensive cantonese restaurants? Sentence11: No, but I want the most expensive one. Sentence12: There are 6 British restaurants. Do you have a particular area of interest? Sentence13: I'll be dining alone so please make a reservation for 1 at 19:30 or 18:30, perfer 19:30 on wednesday. Reference number please? Sentence14: How about british food instead. Sentence15: how about acorn guest house? i hear it's lovely Sentence16: I will be staying 2 days. Sentence17: I'm also looking for a hotel with free parking. It will be for just one person, like the restaurant booking. Sentence18: Great, that will be all thank you. Question: Who has spoken the sentence 5? (A) User (B) System
[A]:
Answer: (B) System