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

[EX Q]: Sentence1: Eraina is in the centre of town located at Free School Lane City Centre. Their number is 01223 368786. Is there anything else I can do for you? Sentence2: Eraina in the centre is an expensive european restaurant. Would you like further information? Sentence3: what is the price range ? Sentence4: European food? Sentence5: Please recommend me an expensive restaurant that serves afghan food. Sentence6: They are in the expensive price range. Sentence7: What is the address, phone number, and area? Sentence8: I don't care where it is. Sentence9: Thank you. Good bye. Sentence10: I'm not finding any restaurants that match your request. Would you like to try a different price range or food type? Sentence11: There are four restaurants that serve European food. What part of town would you like? Sentence12: You are welcome, enjoy your stay. Good bye. Sentence13: That'll do. Thank you. Good bye. Sentence14: Thank you, and have a great day! Question: Who has spoken the sentence 3? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Booking was unfortunately unsuccessful. Can we try another day or a differen't time slot? Sentence2: Yes, please book a table for 4 people at 19:00 on Sunday. Thank you. Sentence3: Do you have anyplace that serves Chinese food? Sentence4: OK I will go with Italian food and pick the Pizza hut cherry hinton. Thank you for your help. Sentence5: Have a great day! Sentence6: Good news! Your reservation has been booked for Sunday at 18:00 for 4 people. The reference number is YJ0B5W19 . Is there anything else I can help you with? Sentence7: There are 2 options. Pizza hut cherry hinton serves Italian food and Restaurant alimentum serves modern European food. Sentence8: Would you like me to book that for you? Sentence9: I'm sorry, there are no Chinese restaurants located in the south that is moderately priced. Sentence10: How about 18:00? Sentence11: Hello. Could you help me locate a good moderate restaurant in the south of the city? Sentence12: That is all! Thank you! Question: Who has spoken the sentence 10? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Oh yes I have many. Any preference for area? Sentence2: There are 5 Indian restaurants located on the west side near Magdalene college that are expensive. I would recommend Tandoori Palace. Sentence3: Thank you. I'm also looking for an Indian restaurant in the expensive price range. Is there anything like that around? Sentence4: There are many things to do, to help narrow down the results what part of town are you looking to tour in? Any particular activity you'd like to do? Sentence5: That sounds fantastic. Could I have the postcode, phone number, and address, please? Sentence6: Their postcode is cb43le, phone number is 01223506055, and address is 68 Histon Road Chesterton Sentence7: Alright, awesome! Have a fantastic day! Sentence8: I am looking for tourist attractions. Sentence9: There are five colleges on the west side. Magdalene college is nice. It's address is Magdalene Street and entrance is free. Sentence10: Are there any colleges on the west side? If so can you tell me the address and entrance fee? Sentence11: I would like to be close to Magdalene college. That same area would be perfect. Sentence12: That's everything I need. Thank you for your help. Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]:
Answer: (B) System